2015 subaru forester hesitation on acceleration. the problem is coming and going, and not constant.

One potential remedy I did not see mentioned on this forum or your list is motor oil rated SN Plus, which helps low speed preignition. Any ideas what could be the cause if this? Car has never been hesitating before. TR580GHZAB. Sep 9, 2023 · Hi! I have a 2003 Subaru Forester (automatic). Jan 26, 2015 · I've noticed this hesitation in my 2015, especially when it's not up to full operating temperature, very annoying and can be safety issue when acceleration is needed! Even when warmed up to operating temperature it's still noticeable sometimes, I'll try to pay more attention and see exactly when and what I did just before the hesitation. I start to move from a stop and the vehicle acts as if I have knocked the transmission into neutral. The noise sounds metallic, like gears are clicking together a bit. Jun 1, 2021 · I have exactly the same issue with my 2015 2. I purchased in August 2013, and now have 13000 miles on it. When purchased, shake was slight, but now having driven about 1k miles, the shake is now MUCH much worse. 99: Shop/Dealer Price $105. Aug 15, 2023 · my 2014 subaru forester XS has been acting up over the past few months. Any thoughts? Engine hesitates when accelerating after a stop. Subaru Service Bulletins are intended for use by professional technicians ONLY. Some days drives perfectly then messes up the next day. Lesson learned, won't buy another Subaru again. Now on the way home it was happening even at lower speeds and more often. Before we logged it we tried replacing the O2 sensor, fuel filter, and knock sensor which didn't fix the problem. I never thought a company and its sales force would be so desperate, they have to send cheerleaders to online discussion forums to push a mediocre low end car. Sep 5, 2014 · I have a 2015 Forester XT with 16K miles. Is the issue gone in the 2018 models? When I searched for this, it seems as though there was a fix for the 2017 models. Today when driving at constant slow speed , say 25 mph , I several times had a subtle mild hesitation then lurching. I noticed in stop and go traffic it's a bit jumpy/jerky when accelerating slowly. I felt the pulsing between 30 and 40 mph with rpm’s about 2000-ish. 99: Shop/Dealer Price $104. Sep 17, 2019 · Two times while accelerating on an on ramp to an interstate and another one today, accelerating mildly away from a stop light up to 45 mph. I have been noticing for a while that upon/during acceleration uphill or when I was accelerating up a road with an incline, there is a wobble/shake. I have all the sudden noticed extreme acceleration hesitation when accelerating from a stop, it feels like its hunting for gears and the programmed “Shifts” are hard like its slamming in to gear. It has been regularly maintained by dealership and run on Shell V-Power 93. 2L 5spd (83K) with hesitation of acceleration that intermittently occurs for several times a month since last year. New spark plugs NKG, new OEM wires, and swapped in a [used] OEM coil and throttle plate housing which included the TPS and ICV. 0. usually after a full stop and going idle the car really feels weird. In several cases, the Subaru Forester’s CVT transmission fails well before its warranty has expired, including failures and issues sometimes arising as early as 10,000 miles, in several instances within 20,000 to 40,000 miles, and in many cases before the 100,000-mile warranty has expired or very shortly afterward. One of Subaru’s most popular cars is the Forester, with the most concerning model years being 2010, 2011, 2014, and 2015 model years. Average failure mileage is 15,700 miles. Aug 27, 2012 · If I'm cruising along / coasting from 20-30 MPH, and then add some acceleration (Like slowing down slightly for a turning car in front of you, and then getting back up to speed), (not flooring it by any means), sometimes there is a jerky / stuttering hesitation May 22, 2013 · Brand new fozzie, about 1000 miles. Part # 31000AJ610 FWIW, the part numbers are different. 5 L engine, no turbo. 5L Jul 4, 2017 · Recently my 2015 Forester XT was serviced (30 K) at the Subaru dealership. 9% financing with money down. Mfg. Jul 4, 2009 · 2007 Forester Sports XT - COBB Surgeline dyno stock Protune - Stage 1+ 2003 Forester X +AVO turbo kit = XT (son's) 1995 Neon Sport (our project car) Dec 30, 2015 · My local Subaru in this thread in this Acceleration hesitation. my 2015 Forester stutters sometimes when Jul 2, 2017 · I have a NA auto 2002 with the 251 engine. Feb 24, 2023 · Hi all - I have been having issues with my Cross Sports sounding horribly noisy on cold start. It lasts 2-3 seconds and then starts out but at a low speed. That is what is causing the hesitation. Past: 2011 Impreza 5-Door, 2011 WRX 5 Door, 2013 Forester, 2018 Forester, 2011 Outback Premium Present: 2021 Outback Touring Jul 31, 2010 · Problem started maybe 6 months ago with engine hesitation during moderate acceleration. Today, the car will turn over and then immediately stall. Lately I hear a loud rattle under light acceleration at 1500 RPM but fine above and below these revs. There is no obvious vibration. Apr 10, 2011 · I wanted to say thank you to this forum. 48: 1993 Subaru Legacy H4-2. And it's 109 out. 5XT is in the garage at the moment with a mate , cruising is absolutely fine with no issues, however if you are accelerating at a steady pace and sometimes at full throttle it doesn't seem to want to pick up Oct 9, 2019 · The 2015 Forester I am driving has just completed its 60,000 mile service at trusted local Subaru garage at 57,000 mile. Oct 2, 2013 · I have 7000km on my XT. Jul 2, 2018 · The Subaru of America employees and sales people who post on Subaru XV forum. And when it does turn over, the car gives a jerk like it's about to die (but not always). It's very dangerous when merging, turning in front of oncoming traffic, etc. New filters all around, and oil. 02 - $112. 5i Premium. It happens in both I and S mode. Spark Plugs have been replaced. However one of the other recent threads mentioned a clogged PCV valve could also be to blame - and as Im also searching for the cause of my engine running lean, and also excessive oil consumption - then all things currently point to the PCV valve. Irritating, but I guess I'm getting used to it. And even then it feels like its straining. Apr 21, 2020 · About 6 months ago, I noticed some issues with hesitation during acceleration. this is followed by the engine Customer: Himy 2015 Forester stutters sometimes when accelerating from a stop I had a recent tune up, replaced air filter and cleaned the mass air flow sensor with cleaner Mechanic's Assistant: Does the engine stall right after starting? And what about hesitation or jerking during acceleration? Sep 8, 2017 · I have a 14 FXT Touring, and I am having issues with it every so often shuttering under acceleration. Brilliant. At first, it was just when I hit the gas at a stoplight and it would go away quickly, so it did not concern me. L Aug 20, 2016 · Hesitation/lack of power on acceleration is a known problem with 2017-2021 Impreza and 2018-2021 Crosstrek with manual transmissions. Sep 18, 2011 · I've been experiencing this intermittently for about a year. The car is idling perfect and about 22MPG (lower than Apr 24, 2015 · If you hit the gas when the torque converter is unlocking or locking, it will take a few seconds to reverse its planned operation. Rubbish! My question is this. Although the Forester performed well at the beginning years of production and since 2016, the middle-stretch of production years had concerns regarding the engine. Burns a quart of oil every 5000 miles Subaru says its normal. May 20, 2017 · Ive got an EJ253 Forester 2008 with this weird squeak happening on acceleration. Feb 20, 2023 · Recently purchased (2 mo. Took it for its 100,000 km major service (including CVT) and these issues seemed to get slightly better but they have now returned with some new issues 🙃 one of them Jan 9, 2016 · 99 turbo 2l hesitation on acceleration midrange Jump to Latest 2K views 3 replies 4 participants last post by mateybass Jan 27, 2016 Sep 26, 2017 · This isn't just a 3. Aug 9, 2013 · Mine seems to be a hesitation from around 2500-3000 rpm shortly after my TF-035 is fully spooled (at around 2200rpm) - so in my case Im guessing wastegate creep is probably a good candidate - although I may also have a slight boost leak from the turbo exit pipe. (New filters on LPG system too. Oct 11, 2010 · I have a new fuel pump and have replaced both fuel pressure regulators - and mine still surges and hesitates during acceleration when cold. The plan of attack at this point is having the CVT fluids flushed out and having the valve body worked on as well which should fix the hesitation on acceleration permanently. May 9, 2018 · It’s only been a day, but my problem appears to have been solved by an ECM update. Took the car to local Subaru dealer/ They told me it was the Cat but could not guarantee it would fix the issue. Thanks ! Jan 20, 2022 · I also occasionally notice an engine acceleration lag when you are doing 30 or so and gas it hard to pass someone on a 2 land road. Throttle Body has been Cleaned. I had the compression checked after a cylinder #4 misfire and it tested at 165 psi. Jun 18, 2018 · Engine hesitation and misfire cured - with NEW motor Own 2015 XT Touring and live in Arizona. I’m second owner and drive it rarely and have the opposite of a lead foot. It does not do it every time that I accelerate, but it does it no matter which setting(I/S/S#) that I have it in. Hi all, I have a 2015 Subaru Forester 2. There is only 1 code being thrown with no CEL (P0141 downstream O2 sensor heater circuit). Subaru recommended tune up so I did pcv and spark. Especially, when taking off from a stop after car warming up. The Master technician suggested that the vehicle need to be checked by the dealer to confirm the transmission leak. A TCM reset was performed which put the CVT back in re-learn mode and the change was noticeable for the positive. 5i, CVT and I frequently experience a hesitation in acceleration, mostly between 20-40 MPH, but only under light throttle pressure. 6R problem. I've usually pre-selected S mode at those times. Apr 24, 2012 · There's clearly a problem with 2015 2. Like when going up a hill and the vehicle needs to gear down and the engine revs up. 2L: Service type Engine hesitates during acceleration Inspection: Estimate $94. hesitation now includes bad brakes, rotors, poor assembly, and hard starting, etc. The 2015 Subaru Forester has 5 problems reported for engine hesitates when accelerating. 52: 2017 Subaru Forester H4-2. If all that is sorted out, look for fuel pump issues, or sensor errors (although you did not mention a check engine light). 99: Shop/Dealer Price $124. Apr 16, 2016 · I went back to a hybrid (2017 RAV4) and find in spite of the CVT feel, it's better than the sporadic lurching and low rpm hesitation my Forester exhibited. Subaru TSB 09-77-21 The problem is easily fixed by reprogramming the ECM. Forester; GL; Impreza; Impreza WRX Outback for a brief time and traded to a 2015 at less than 3000 km because Jun 20, 2007 · Its me again, the engine check light is still not coming on but the problem persists. 6R OB 2015 does the exact same thing. It usually happens at cruising speed 20-30 miles per hour and it intermittently occurs. L. Jun 13, 2019 · 2001 Subaru Forester hesitating while accelerating at low speeds and check engine light is constantly on. hesitation during acceleration; lack of power; misfires; surges; The most common problem withthe MAF sensor is dirt trapped inside the sensor, usually around the hot wire. Jul 27, 2017 · 2007 Forester Sports XT - COBB Surgeline dyno stock Protune - Stage 1+ 2003 Forester X +AVO turbo kit = XT (son's) 1995 Neon Sport (our project car) Oct 17, 2021 · My Subarus. 55: 2015 Subaru Legacy H4-2. Often, using a MAF sensor cleaner will help restore proper operation. Jun 18, 2019 · Hello, I have a 2019 Forester Sport roughly 600 miles on it. Aug 16, 2019 · Just recently started having this weird bucking thing happen while driving. 5 NA engine. I have taken it to Subaru dealer and two other mechanics, who are unable to replicate the problem. Have changed the plugs, leads, fuel, oil and air filter. Dec 10, 2013 · Hi guys I now have 2 foresters, and both surge/hesitate quite bad my 2006 pre facelift 2. Dec 18, 2016 · From the Factory Service Manual and various Subaru training materials, I get the impression that cold starts represent a critical condition for CVT health. Over the last week I decided to put my XT in in ECO/I mode. I have a good running spare motor (with piston slap) that I have swapped some parts over to test. 5X I've noticed that when slowly accelerating the engine hesitates/shutters. I have been dealing with the same issue since buying a new MY18 in December last year, i have had it back to the dealer twice and the Subaru Master Mechanic told me that there is known issue with the new transmissions in the MY18 however Subaru Japan have yet to come up with a fix. It was fairly hot today here in southern California, but my car's always parked underground during my work day, so its not like it's been sitting in the heat for hours. 8k/3k it clears and pulls. 5i Premium I had just taken in my Forester for oil change and had Firestone replace the air intake and cabin filters along with an oil change and within 10 minutes of driving away I wondered if they didn't install a used old air filter that was packed with dirt because the acceleration was all of a sudden terrible. After examination by a specialist Subaru mechanic he took off the timing cover and found that the garage who did the belt change when it was imported last year had made a mess of the installation (basically very little tension on the belt, guide installed wrong so it was chewing the belt up etc See full list on wheelsjoint. Dealer drove it, felt it, tested it and said it was normal. Most every time I drive it I get the hesitation with the accelerator pedal. CVT shudders and hesitates around 15mph to 22mph during light or even acceleration, especially on an incline. The dealer tried 3x to deal with it, and their resolution with Subaru of Canada was "fuel conditioner and premium gas" for my 2. The hesitation occurs within 1500-2500rpm and with a surging when over that rpm. CEL light Jul 3, 2015 · Hesitation on sudden acceleration ('01-'02) participants last post by redsox123 Jul 13, 2015 . I went on a trip, when I got home, I filled it up (took about 6. 5L Turbo: Service type Engine hesitates during acceleration Inspection: Estimate $94. I also improved the grounding. Noticed that the (LCD) fuel gauge was stuck at 3/4 tank. Aug 1, 2017 · 2015 Subaru Forester hesitates occasionally on acceleration usually at slow speeds. One tech even said he could live with it. I've been noticing that when accelerating from a complete stop the car hesitates and then lurches forward roughly. Bean USDM - 198,000mi/317,000km Oct 8, 2023 · Hello! I'm new here and to Subarus in general- I just bought my first one, a 2001 Forester with about 112k miles. I am glad to hear it’s not only my Subaru. ago) 2018 Forester is now shaking when accelerating. it is a 2014 Eurospec FB20 Forester CVT with 61000 km i have a hesitation problem , usually when the AC is working hard , remember we have a very hot summer here in Israel. At first I thought it only happened when the engine was cod but it seems to happen all the time now. Mar 28, 2009 · Hesitation/Surge under moderate acceleration. I used a loaner 2019 Forester previous before buying a Forester and didn't noticed this issue. 5L engine. I have noticed whilst at motorway speed around 5krpm it seems to bog and the rpm stops rising and mph wont climb, ease off the loud pedal and it climbs again, no cel or fault codes. May 9, 2014 · 2014 Subaru Forester 2. Seems stronger. 5 with 116k miles. 5L CVT AUTOMATIC TRANSMISSION ASSEMBLY . I've changed a lot. I called my nearest Subaru dealer, they said they will do 2 things: 1) try to recreate the issue 2) do some diagnostics and charge me $130 if they find nothing is wrong. Service type Engine hesitates during acceleration Inspection: Estimate $94. 99,000 miles. Anyone else experience this so I know what the dealer might say? Thanks. Apr 21, 2024 · I feel like there has to be a few things missing from this description. Feb 24, 2020 · Another possible justification why you experience hesitation during Subaru Forester acceleration, whether you are driving, stationary, hot, cold or accelerating, is that your throttle cable is severely worn. Mar 14, 2022 · If you own a 2012-2018 Subaru Forester, 2015-2019 Subaru Outback, or 2015-2019 Subaru Legacy and have experienced sudden and unintended acceleration, you can report a safety issue with the NHTSA Aug 6, 2007 · So I've got an 01 that has developed a serious hesitation problem on acceleration. Took the car to Subaru for diagnostic and came back fine in regards to transmission and they said they did not feel the hesitation. It’s been a pretty fun car to own and still enjoy driving it. Not sure if it's related but my gas mileage seems to have dropped by several MPG recently as well. When I switch off the AC, car seems to accelerate normally as before. It only does it at that speed, usually on the way to 60 mph. To help you pinpoint the cause of your engine hesitation, here are the most common culprits. 5 gallons). Occasional hesitation on acceleration 2015 Subaru Apr 24, 2015 · the car is idling rough and there is a major hesitation when accelerating moderately or hard. Also mpg seem to be down. Jan 22, 2021 · Short Overall CVT Transmission Lifespan. previously had 2009 WRX, 2011Outback, 2015 Impreza, 2017 Outback the 2018 Forester felt kinda like it tried way too hard Apr 24, 2012 · I have a 1999 subaru legacy 2. Seems to very quickly surge then hold back a number of times between 2-3k rpm but once it passes that it picks up fine. I don't hear if it I am stationary and rev to this speed. Sep 16, 2014 · 2020 Ascent purchased new, now at 45k 2010 Legacy GT got at 60k, now at 150k Sold 2005 XT new to 120k - learned to love the turbo Sold 2008 Tribeca got at 80k, sold at160k Apr 21, 2009 · 2000 Forester hesitation on acceleration I've tried a few suggestions on this forum to solve my issue, but I'm still having problems so I'm hoping someone might be able to give me some insight. Car facts: 2018 Forester, ~80k mi, 2. Only question if it's 1 in 10, 100, or 1000 and what is the position of Subaru on this matter. Apr 13, 2016 · 2015 Forester XT. Cleaned air and cabin filter. Jul 17, 2024 · My 2015 Subaru Forester (112,000 miles) has been sputtering for a couple years now. Engine coolant has been replaced. No codes/CEL. Great speed as this Forester likes to run! I bought the XT Touring loaded. I noticed that I have to wait 2-3 sec before the drive gear engages forward. 5 Limited with 60,000 miles. One thing is for sure, you won’t be able to drive safely if your engine keeps hesitating while you’re on the road. Ever since, acceleration has been jerky when the AC is on. Oct 2, 2023 · 2006 - 2. Z. About 6 weeks ago my wife and I noticed that while applying moderate throttle, as you would to pass or merge on a highway, that the car begins bucking/surging, feels like it's hesitating or not getting enough fuel. 5 non turbo. It lasts a second then it's over. Car has been running great for 20,000 miles. On the first turn over, the car will start and then idle for a few seconds and then stall. a second or two of hesitation and loss of power, along with smoke out the exhaust. May 25, 2018 · Has occurred to my 2014 base forester twice now. But it appears as if they are both the TR-580, so that leads me to believe they mostly the same. 0 XE - Acceleration hesitation? Jump to Latest 795 views 5 replies 4 participants last post by Lockheed Oct 3, 2023 Oct 5, 2012 · Have a 2015 Forester. 2015 Forester DXC manual Subaru Forester Owners Forum to talk about the best years of the Subaru Forester Jul 9, 2015 · 2015 Subaru Forester Touring 2. I've rarely ever gotten it to go over 130km. It did this on the way home from the dealership!! Dec 18, 2015 · Often, while driving my 2015 2. TR580SHACA. Had intermittent engine hesitation under load (hard acceleration on freeway onramp) and even long distance cruising at constant speed. Feb 24, 2014 · Its under heavy is acceleration, what can be called a flat spot or hesitation which as speed increases kangaroos a little, once at about 2. Jan 3, 2024 · Top 10 Reasons Your Car Hesitates When Accelerating or Driving. . Wanted a 1000 to replace cat. Jun 14, 2021 · I purchased a 2000 Forester L (automatic transmission) with 126K miles in January 2021. Occasional hesitation on acceleration 2015 Subaru Forester. I took it to the dealer for diagnosis and they found no codes but suggested new plugs (20,000 miles on the current ones). Acceleration is always smooth when using a heavier foot on the peddle. :smile:---Getting back on-topic :redface: - Pulsing Hesitation at Constant Throttle - Page 14 - Subaru Legacy Forums Check out the last two pages - 14 and 15. Power everywhere. Mar 28, 2020 · My Forester xt has had issues with an acceleration lag typically in the 1500-2000 rpm, usually going uphill or accelerating from a stop. Jun 14, 2015 · Slight hesitation and lurching, new 2015 Forester CVT My symptoms are different: I have a new 2015 Forrester. I’m having an issue where between 1800-2300 rpm’s if I’m not accelerating quickly the car stutters or slips like it’s fighting me to give it more gas. Second time was accelerating while turning right. I have noticed the cvt hesitates when I am braking. Jun 4, 2011 · 2007 Forester Sports XT - COBB Surgeline dyno stock Protune - Stage 1+ 2003 Forester X +AVO turbo kit = XT (son's) 1995 Neon Sport (our project car) May 13, 2018 · 2011 Outback 97k mi Cough/Stutter on acceleration from stop. 49: 2012 Subaru Forester H4-2. Jun 9, 2015 · Hi! first time poster to the site. 99 - $132. Sometimes it will run just fine, but most the time not. No check engine light comes on. Maybe the Grounding Mod helped a little bit? Oct 20, 2021 · It seems Subaru service techs say not to replace oil for 150000 but the service manual say to do it sooner if you do alot of start and stop driving. So far I have replaced the fuel filter, by the way how many filters would my forester have? Jan 18, 2015 · My 15 forester periodically will hesitate upon acceleration. . Motor revs with little to no vehicle movement. Mar 31, 2020 · 2009 - Gday! Aussie assistance please! 09 Forester Acceleration hesitation/retard/shudder ('09-'13) Jump to Latest Feb 28, 2013 · I noticed the bucking/hesitation, then surging under light acceleration on my way home from work today, driving all city surface streets with no hills, etc. They also said need a new center pipe and mufflers. Apr 13, 2024 · If your car hesitates when accelerating, it can be frustrating and potentially dangerous. ) Oct 17, 2023 · My Forester has recently started missing, sometimes badly, under acceleration, both from a stop and at steady highway speeds. The car also have LPG, with the same issues when using that. After several mechanics and other repairs that I was advised to make but were unrelated, the issue continued to happen. Just done the cambelt and changed everything there. So, I'll give that a go and I'm thinking that should sort out the idle issue. Just had my brakes checked out at the stealership. Apr 15, 2009 · 2000 Forester hesitation on acceleration I've tried a few suggestions on this forum to solve my issue, but I'm still having problems so I'm hoping someone might be able to give me some insight. (I have a 2005 Forester and I want to make sure I get it right) "Put the transmission in 3rd gear, then accelerate from 25 mph (about 2,000 rpm) with wide open throttle to 40 mph (about 3,200 rpm)" Do you take first gear to 25 mph or first and second gear to 25 mph and then put it in third and floor it from 25 to 40? Jun 12, 2010 · Hi, I've just purchased a '98 Forester non turbo and it hesitates on acceleration, hot or cold. 0R L. When i let go of the gas, the care will engine brake a bit and when the gas is reapplied there is a significant lurch. 5 i will experience a lurch/jerk from the transmission while applying gas (no matter how lightly). Fixed. I will bring it up to the dealer at my next service. The car does have a non-factory install 2" lift kit Jun 7, 2016 · (2014, 2015, 2016) Subaru Forester 2. Jun 5, 2016 · This is my fourth Subaru: 2005 Outback 3. Part # 31000AJ330 (2015, 2016) Subaru Outback 2. 15000. Breaks and rotors new, tires new, changed pcv valve and spark plugs. ) If you don't get the flash, pull your battery cable for about 30 minutes to reset your ECU. Subaru really needs to fix this! Jun 22, 2018 · My 2015 Touring has the known problem of hesitating and lag when starting from a stop or accelerating to pass someone. Engine really lags, then you can feel the power kick back on. Average failure mileage is 47,700 miles. It has been getting worse lately to the point where I floored the gas pedal and could not accelerate past 40mph while trying to merge onto a highway. The car still has some hesitation under acceleration with a few hick ups but then it evens out an accelerates like it should. No codes or lights on dash. 5 engine) Subaru provides a dedicated, thermostat controlled heat exchanger to warm the CVT fluid as well as cool it is only one example. In this section, we will discuss the symptoms of engine hesitation and the common causes of acceleration delay. Oct 2, 2010 · My '06 also now has an intermittent hesitation on acceleration past about 30mph. Aug 17, 2023 · I have a 2020 Forester with barely 25k mi and have been experiencing hesitation on acceleration for over a year now and the dealership can't find a fix since it never Dec 20, 2012 · OK. The fact that for the G2 CVT (2. Around 170,000kms, haven't had any noticeable trouble with it so far. Nov 13, 2011 · A friend's 2000 legacy outback with a 2. Jun 12, 2013 · My Subaru dealer's service manager personally investigated and confirmed the behavior. Sugg price was $36,640 and payed $33,000 with . Hit the throttle and it gasps like it's not getting fuel, then comes roaring back in a few seconds. 5L: Service type Engine hesitates during acceleration Aug 15, 2016 · I have a 2009 Subaru Forester 2. Nov 10, 2014 · The 2015 Subaru Outback has 3 problems reported for hesitates on acceleration. I called the service desk and they said this was normal. Engine hesitation is a common problem that can have many causes, but it is usually a symptom of an underlying issue with your vehicle. Sep 25, 2021 · When I press the gas pedal slightly at 40mph, I can feel a stutter or heistation. Jerky acceleration( worse when fuel level is below half tank) and random hesitant starts. I had my 2019 Impreza fixed at the dealer (for free ) and the car drives Sep 16, 2020 · Loss/hesitation, and when it happens I have to let go of gas Pedal and re apply gas for it to reengage. It almost feels like there is a hesitation before acceleration. This occurs while driving at speeds around 15-30 mph. no more hesitation but econopmy Apr 16, 2018 · Congratulations you just wasted your money on a lemon just like me. A recent development; there seems to be a noticeable 'hesitation' when trying to accelerate through the gear changes (35-50 mph) and when there is an associated 'rpm' dropoff. Consult your vehicle repair manual and the Resources section at the bottom of this post for help. If I had known, I would have gotten a different model. There is actually a service bulletin out, TSB-11-187-18 for an ECM update “for hesitation when accelerating and surging when accelerating”. Forester 2004 with 99K miles. Jun 25, 2021 · I have a 2015 Forester 2. The frequency sort of matches the engine frequency so quite rapid. 5i 4 CYLINDER and CVT transmission. Not referring to turbo lag, (I have owned turbo cars continuously since 1991) but a lag where the engine feels flat for a two seconds or so before coming to life. There seems to be a weird wobble/shake going on only during acceleration and not coasting. I kept a spreadsheet in order to calculate the ratio of E85:93 - tried to keep it around 6% E85 (~1 gallon/tank). This has made for several UNSAFE situations in parking garages and pedestrian crowded city streets. Been going on for a month or so. Aug 11, 2018 · CEL and the various other Christmas lights Subaru likes to blink at you came on; I pulled the codes and saw P0300. So instead of replacing the faulty part, Subaru cheaped out with a crap software fix. Does not present its self when engine is cold. Brisk acceleration runs fine. Jun 19, 2010 · My hesitation was due to my plug wire on #3 breaking apart after the last spark plug change (I pulled on the proper location of the wires to take the wires off). I'd probably call it more of a stutter. 01 - $112. no smoking or overheating. Aug 26, 2020 · I have a 14 XT with 73k miles bought new in 2/14. This is my 3rd Subaru Forester and I've never had this problem until now. Read about the TSB, called the dealer, and they had me taken care of in a day. Jan 3, 2023 · Recently I was driving my 2015 Subaru Forester a few hours from home and a "low oil" light came on. 5i non-turbo CVT Transmission and X-Drive 13K Miles The noise usually presents itself with some mild acceleration in a straight line. Sep 27, 2014 · I just bought a 2015 Subaru Forester 2. Sep 28, 2017 · 2007 Forester Sports XT - COBB Surgeline dyno stock Protune - Stage 1+ 2003 Forester X +AVO turbo kit = XT (son's) 1995 Neon Sport (our project car) Apr 24, 2023 · I found a post on a NASIOC forum (linked below) of a guy getting information direct from a Subaru dealer/service center. Symptoms prior to the fix: car would act sluggish under acceleration from a stop at times, minor hesitation while accelerating on the highway. I got the TSB 11-164-1 number here on the forum and asked my Subaru dealer to look at it this past Friday. Get the revs up. Dec 11, 2009 · But no matter, either way, "wastegate flutter" is normal, in Subaru-land. 55,000 miles on the car. That would be 88,500kilometer on one set of brake. I have Gen 3 LL Bean. I've changed throttle sensor, MAP, ICV, front 02 sensor (Back sensor - 2 years ago), new timing belt, sparkplugs/cables and a grounding kit. For the last year or more, I have had a hesitation when accelerating from a stop, but only about once in 10 accelerations. So here is the symptom that started about two months ago in case any of you have it: Slight to moderate vibration/shake during acceleration from a stop or during traffic crawl, up to about 15-20 mph. (**again will try and post video in the thread) Jun 13, 2010 · stuttering, rough idle, fuel smell I've got a 2006 Forester A/T Non-Turbo. Also, could be related issue is a lag in the response when ya press the accelerator heavy-ish from idle. 5i limited with 145k miles on it, has driven great up until now. I hope I am submitting this to the right thread. Over the past 6 months I've been getting a rough idle where it seems it may die at a stop and stutters on acceleration - this was transient and seemed somewhat linked to fuel in the tank - it seemed to operate normally with a full tank of gas and gets bad when closer to empty. Oct 26, 2021 · My 2018 Forester has a serious intermittent hesitation or bog on acceleration. Im experiencing drastic MPG loss alot of hesitation when accelerating with the AC on, but with the AC off it runs so smooth that its like im riding a different car. The Forester still bumps gently on acceleration when cold but it is now vastly subdued. 677 Views 0 Replies 1 Participant Last post by Hutt, Dec 30, 2015 Jump to Latest H. Brought it in to have them inspect it. Jul 8, 2019 · I plan on buying a 2019 6MT soon and have read about this issue on this forum, the Imoreza 5 forum, Forester forum and reddit. Aug 25, 2015 · i currently own my second forester. It started when I was going up a hill on the freeway at 60 mph. Code hasn't returned since changing spark plugs but still running rough and it just feels off. CEL light Dec 24, 2020 · Subaru Forester. 2 Weeks ago took a long road trip (300+ miles) and while trying to lightly accelerate up a hill, noticed the surging that everyone is describing in this thread. It happens in Drive and Reverse. main issue was jerky/hesitant acceleration from standstill and odd noises at low rpm going up hills. If your accelerator cable is in a bad condition of wear, it will not slide effectively in its sheath and will snap, check the level of Jan 28, 2020 · Hi, I have a '01 Forester non Turbo, and it hesitates on acceleration. , it feels like the engine will die. But, for now (the last 30 miles or so), the hesitation and lack of power around 2000 rpm is gone and I've got use of the full rev range again. Dec 17, 2012 · Hi all, My car has developed a really lumpy feeling when accelerating. The tach drops about 500 RPM, and it feels like it's not shifting up. I had my 2019 Impreza fixed at the dealer (for free ) and the car drives Jul 27, 2015 · If you get the high altitude knock flash done, it will reset your ECU, and start learning new habits. Symptoms: 1) It takes longer than usual to turn over the engine ~4 seconds. Apr 5, 2021 · They found out that the valve body in the CVT transmission was having problems pushing the fluid through the CVT and that's what's causing the hesitation in acceleration. 5l has this occasional hesitation problem. The dealership said to “ just give it a little more gas”. Any input is appreciated. Haven't tried S#. Happens intermittently. On the second turn over, it will start. (This also would have helped seat your piston rings, and get some of the break in process completed better. Less than 2000 miles. Nov 28, 2023 · Vehicle is a 2015 Forester Limited with the standard 2. (Page 1 of 2) Aug 9, 2018 · only when accelerating and having the RPM between 2-3RPM, aka the 2 CVT gears changing and doing what a CVT does is when the hesitation comes to life. They Sep 27, 2020 · I have a 2016 2. 5L: Service type Engine hesitates during acceleration Inspection: Estimate $114. May 18, 2016 · The 2014 Subaru Outback has 24 problems reported for hesitates when accelerating. I've taken it to a few mechanics (including the dealer and two Subaru specialists) and they all say its working fine. Almost struck from behind. Replaced spark plugs with OEM. (**will try and post video in the thread) Warm, cold, moving or parked doesn't change it. Just purchased the 2015 Forester XT Turbo. Mar 13, 2017 · Having a hesitation at idle when starting to warm up also some hesitation in lower RPM's under load. Thanks Subaru. com. :shrug: Oct 4, 2018 · Hesitation when accelerating slowing. About six months ago I started noticing that climbing hills at highway speed a sort of jerking, hesitating or surging sensation. Am I on the right track with the hesitation being caused buy bad CVT fluid or is it something else? Again it does'nt shudder when i accelerate slowly it hesitates the accelerates then hesitates. Short version: I seem to have an intermittent issue that occurs with an engine temperature around 40-50 degrees Celsius (edit) during warm-up. com Jun 27, 2022 · Hello everyone, I have a 2015 gen5 Outback 2. Noticed that it happens when letting go of brake and slowly accelerating. Timing belt has been replaced. Also fuel consumption seem high but there is no apparent smoking on acceleration. If I'm more aggressive with the acceleration, it will downshift and the car will zip faster no problem. Jul 9, 2023 · I have a 2015 Forester. I changed them in the parking lot of the local Subaru dealership (when I was out of town!). 0R 5EAT - 305,000km/191,000mi New to me: 2008 3. Car: 2000 Forester, 163K miles, automatic Problem: hesitation and sputtering from take off, same when accelerating anything more than gradual. Steady acceleration from 0-80; there doesn't seeem to be an issue. Jun 15, 2021 · Hesitation/lack of power on acceleration is a known problem with 2017-2021 Impreza and 2018-2021 Crosstrek with manual transmissions. It can be a short hesitation or up to 15 seconds of no response to the Jan 14, 2015 · My 3. 99 - $112. Buyer beware! Under the Hood A Tired Squirrel. the problem is coming and going, and not constant. You’ll want to figure out the cause and get it fixed ASAP. I have the 2. I have a check engine light on & it threw the following codes: PO130 O2 sensor circut malfunction P0172 System too rich bank 1 PO171 System too Jun 20, 2019 · How can it be normal when during acceleration a wobble shakes your butt like the car wants to dance. I joined to research this issue on my 2015 FXT. 2020 Subaru Forester hesitates inside of 2 to 3 rpm when accelerating. zdeiss Discussion starter 2020 Subaru Forester H4-2. One mechanic drove it with me and babied the acceleration - didn’t roll and accelerate, and apparently a second master mechanic drove it after I left. On other forums, I read that I should check the air filter, and mine turned out to have black soot on it but otherwise clean. It feels l Sep 14, 2022 · 08/12/2022 - First P0300 - random cylinder misfire code, I changed spark plugs, manually cleared code, CEL came on again the next day, took it to my local Subaru dealer to further diagnose. It's just during slow acceleration, and when going uphill too. This was in the Forester forum and in a YouTube video. Apr 16, 2018 · Fellow Subaru owners, I'm at my wits end, with this problem, probably because I can't find a good mechanic, so maybe you can help me. They said I had 8-9mm left on my brakes, front and rear. 0, 6 spd manual, traction cntrl but no "xmode", 2. APPLICABILITY: 2014-2018MY Forester Turbo SUBJECT: Hesitation on Acceleration- ECM Reprogramming File Availability CAUTION: VEHICLE SERVICING PERFORMED BY UNTRAINED PERSONS COULD RESULT IN SERIOUS INJURY TO THOSE PERSONS OR TO OTHERS. Nov 6, 2008 · Car is a 2004 Auto XT with 55,000 miles on it. May 18, 2016 · Pretty apparent that there's a heat issue with the A/C unit, and the software fix is to simply turn off the A/C when it gets too hot. Subaru is crap. It's my first Subaru and in general I LOVE it (and this forum has been extremely informative!) Oct 18, 2013 · 2014 Outback Acceleration Hesitation I have a hesitation problem with my 2014 Outback CVT. 08/15/2022 - Subaru dealer scan shows P0300, they updated engine control module, which fixed hesitation, surge, and acceleration issues. Dec 17, 2013 · If the the air intake is not obstructed, the throttle plate/cable not loose or sticking, then look for spark plugs and ignition wires. Nov 5, 2019 · More recently hesitation while accelerating, bumpier ride and growling sound from the engine at high speeds. 5L and CVT. Usually put my XT in Sport # or Sport mode and never noticed any hesitation whether accelerating/braking. I did some experimenting and started to put some E85 in when I filled up. Mar 11, 2016 · Acceleration from 0-80km on the highway is smooth and fast, but it hesitates to go from 80- 120km ph. Subaru has issued a Technical Service Bulletin on 7/28/21. mns fplklpb gmia dqebqs onmwv whhf bgomb xibdxj bqrjsrt ifau