Dd15 poor fuel mileage. Surprised the driver didn't kill me.
Get your A faulty EGR cooler can lead to decreased fuel economy, increased exhaust emissions, and decreased engine performance. And it never once did an active regen. If the fuel injector in your DD15 is bad, you may experience a reduction in the fuel economy of your truck or vehicle. Nov 25, 2020 · Starting Mileage: 31,987 Ending Mileage: 32, 076 Miles Driven: 89 MPG (computer): 18. Dallas TX 75241In this video, I cover different ways to h Feb 12, 2023 · 10 Causes of Bad Gas Mileage. 4 to 17. We've put together a list of some of the top over-the-counter EFI cleaners you can buy. Upgrade to the FleetRun Fuel Apr 1, 2018 · Late model (2015 and newer) Cascadia with the DD13 or DD15, general reliability, availability of parts at dealers and truckstops, ease of servicing, mpg in a variety of circumstances? Mechanics and other drivers seem to like the DD15, and there are bazillions of used ones on the market because it's ex-fleet. The truck runs absolutely great and doesn't miss there's no misfires nothing it runs excellent I just don't understand the poor mileage Feb 9, 2022 · If you think your DD15 / DD16 fuel injectors are starting to fail or you have symptoms such as low power, poor fuel economy, or a rough running engine, we have the replacement injectors for you! Connect with one of our ASE Certified Parts Technicians & get your Detroit DD15 / DD16 Fuel Injectors today!!! Mar 13, 2017 · I just bought this used fleet truck 2011 Cascadia with DD15 and have poor fuel mileage. This will Nov 13, 2011 · Mercedes say about 6% fuel economy related with bigger stroke and more sufisticated CRD injection. A bad injector, as we have noted, can cause bad or mistimed combustion. 3 mpg out of a 550 hp CAT C-15 in a 2007 379 short hood (non-aero conventional) running 75,000 gross from Winnipeg to Chicago and back through Wisconsin on summer fuel. . As far as performance, the DD15 not only allows for great fuel economy, but also remarkable drivability. which one would get the best fuel mileage? Truck has upgraded clutch 2050 LBs torque. Nov 1, 2020 · Quick Links. Loaded at 70k gross with steel sheets Nov 13, 2011 · Mercedes say about 6% fuel economy related with bigger stroke and more sufisticated CRD injection. The truck runs absolutely great and doesn't miss there's no misfires nothing it runs excellent I just don't understand the poor mileage Oct 19, 2007 · After nearly five years and $1. Fuel mileage is poor at 5. Loaded at 70k gross with steel sheets Apr 8, 2024 · There are many symptoms of a bad diesel fuel pump, including low fuel pressure, difficulty starting, overheating engine, power loss, a sputtering engine, strange noisy sounds, delayed acceleration, and a decrease in gas mileage. Jun 8, 2019 · DD15 Troubleshooting – Section 17. Rears are 2. S. To solve this issue, you need to reseal the gaskets around these components. every 2000 miles. Drain fuel system. my trucks were governed at 65mph and I was getting even worse mileage. Producing 600 HP and delivering above 2050 pounds per foot of torque in a predictable wide operational curve, the DD16 is a reliable, fuel-efficient, and long-lasting engine designed for the toughest jobs available. DD15 no power up hills and very poor fuel mileage new injectors new fuel pump Jul 12, 2023 · Detroit Diesel: Detroit Diesel engines, like the DD13 and DD15, have made significant strides in fuel efficiency. My mechanic said to use Lucas cleaner with every fill up of gas so I went and bought a quart size bottle of Lucas. Feb 6, 2016 · I have drove 154,000 on this truck, and satisfied so far on MPG. Fuel Economy Emissions Innovation Quality Products Detroit Plant Blog Demand Great Fuel Economy THE INTEGRATED DETROIT ® POWERTRAIN. Sep 3, 2013 · Durability is the ability of a system to endure. 9 MPG at 1,625 RPM. 0 MPG to 6. Feb 9, 2022 · If you think your DD15 / DD16 fuel injectors are starting to fail or you have symptoms such as low power, poor fuel economy, or a rough running engine, we have the replacement injectors for you! Connect with one of our ASE Certified Parts Technicians & get your Detroit DD15 / DD16 Fuel Injectors today!!! The 2007 engines have poor fuel mileage because of the EGR components added to the engines. It’s responsive, quiet, and smooth. Incorrect combustion will lead to an increase in the DD15's fuel consumption. Before: City meant jockeying lanes, racing yellow lights, and heavy accel/braking. After the event, the engine ran smooth and got excellent fuel economy. Performance The most accurate Freightliner Cascadia MPG estimates based on real world results of 10. meaning a larger range of efficient operating speeds Sep 3, 2022 · I drive on mostly flat ground in the midwest, with little crosswinds, and midweight loads in a dryvan, and I have been averaging barely 7mpg, never getting any better than that. 5DD15 ? I had a 2021 Cascadia with the DD15I drove the hell out of that thing pedal to the metal all the time it was governed at 65 And the worst fuel mileage I got from that thing was 8 and a 1/2 the best was the best was almost 10 miles per gallon loaded. To obtain accurate vehicle mileage, Jun 6, 2019 · Torque the fuel inlet for high pressure pump to 45 N·m (33 ft·lb). 5 rubber (XZE3 up front, XDN2 out back, I know they're not great). 70 rears. Naturally, over time, it was updated several times or even combustion efficiency, fuel economy, and more power. Fuel economy doesn't change much. Thing pulled OK, but mileage wasn't great. Bobtail going 62 mph gets me 8. I changed oil and went up some in gas mileage which was great. Oct 26, 2022 · The DD15 engine depends on the fuel pump to supply a precise amount of fuel at the right time for the engine to function properly without any glitches. Aug 25, 2023 · The Detroit DD16 is the toughest, most powerful, and biggest ever engine made by the Detroit Company. In extreme cases, it can even cause the engine to go into a 5mph derate. Faster axle ratios typically result in better fuel Nov 30, 2023 · Enhanced Fuel Efficiency: While power is crucial, so is fuel efficiency. Pulling B-trains at 105,500. I want to bump up the horsepower to 500hp or 530hp with 1850 torque. (Only version four). As soon as the engine starts and runs, the right gearwheel in the fuel pump is driven by the drive plate on the high pressure fuel pump camshaft. The low pressure fuel pump (2) is designed as a gear pump and is driven by the high pressure fuel pump. Feb 15, 2017 · “While fuel economy is important, performance and reliability are also essential for maximizing vehicle uptime,” Slesinski adds. New Aftermarket DPF Option. Overall, about . 4's : ) SPN 3464 FMI16 2015 Freightliner Cascadia. May 28, 2021 · Detroit DD15. Jun 6, 2019 · Determine if you have Version 4 or Version 5 fuel system to use the following procedures. Not sure about DD15, becouse engine of the same output is OM502 V8, that was not used in US class 8 trucks. Fuel economy represents overall fuel economy (including idle time). A clogged filter can split or warp over time, and it will need to be replaced with a new one, which could cost thousands of dollars. Even added the motorcraft fuel additive here and there. May 15, 2013 · Fuel mileage is really pretty pretty simple. I could pull 6. 3. 5 axles, reefer, almost always 78-80k and speeds around 60-65 east coast and 65-72 western states. Jan 7, 2015 · Driving habits play an integral role with fuel mileage. 08 us mpg) for the month of August. Feb 14, 2017 · In the summer time I get just over 6. Jan 31, 2022 · These improvements for the Gen 5 DD15 also resulted in increased downspeeding. It was set up at 370 with a fuel economy tune. Bought it from the original owner everything from him done on time too. Calculated with an appso it's correct. Today they talk about cleaning the emission system at 250,000 miles vs waiting till everything goes wrong because the sensors get clogged up with soot and stop feeding the computers good info. 5 mpg, now Im seeing 3. Apr 7, 2007 · In the last month, my fuel mileage has slowly dropped to 5. Jun 26, 2021 · Fuel is the #1 easiest and biggest expense that can be controlled. Every 1 MPH speed Dec 6, 2017 · I have 255,000. This will If you get an increase in fuel economy of only 2. 1 and 5. Inaccurate camshaft position sensor data can keep fuel injectors open too long, forcing excess fuel into the combustion chamber. 3. Feb 1, 2008 · Check out this 1. FREE SHIPPING OVER $100. Jun 8, 2019 · Fuel line from rail to injector (kinked or plugged) Fuel line connection at injector or rail (leaking) If fuel line and connections are OK, replace injector. I think the problem has something to do with the intake throttle valve and fuel doser and/or DOC inlet temperature. Efficient long-haul is over 60,000 annual miles (96,000 kilometers) and a vehicle that averages greater than 7 mpg. SECURE PAYMENTS. Kinda would go up or down depending on how I drive. 91 46,000 lb rears, 24. They are the worst in the Detroit lineup. 5 to 7 max on very light to heavy loads. Now i see 16 in the city and 20-22 on the highway, but let me explain that. Finally decided to see what was up with the truck as I knew it had different flashes for power settings. Dec 13, 2022 · Have an '05 5. Another thing is the transmission and rear end gearing ratios, since these affect engine rpm and fuel economy. 18. No lights or anything on dash. 5 %, then the cost of the fuel catalyst is covered*. Section 8. Rough idling Aug 1, 2023 · 6) Decreased Fuel Economy. I switched to stop the high consumption of oil ( quart per 2000 miles). This will Dec 29, 2008 · DD15 bad fuel mileage Discussion in 'Trucks [ Eighteen Wheelers ]' started by BulletProof, Aug 19, 2015. Freightliner / Detroit: A0000900069 / DDE A0000900069 Bosch: F00N210223 - drive side of the engine, on the front of the high pressure fuel pump - Fits 2008-2023+ Detroit DD13, Detroit DD15 and Detroit DD16 engines - Don't let fluctuating RPMs, low MPG, poor engine performance, or annoying check engine codes (SPN 164, 1077, 520250, 157) hold you back on the road. 2 mpg overall since day one. Apr 8, 2024 · There are many symptoms of a bad diesel fuel pump, including low fuel pressure, difficulty starting, overheating engine, power loss, a sputtering engine, strange noisy sounds, delayed acceleration, and a decrease in gas mileage. Torque the fuel return for the high pressure pump to 45 N·m (33 ft·lb). 4 Wires and Wiring; DD15 Troubleshooting – Section 17. The most common cause of poor gas mileage is a faulty engine sensor like the O2 sensor, MAF sensor, or MAP sensor. Bobtail it does closer to ten, never hauled five axle yet. I don't drive it like I stole it, so no worrying about messing things up in the drive train. 00 per gallon. Sep 4, 2012 · Part of the poor gas mileage on the older trucks is the smaller size of the rims and tires the factory put on these trucks. I have recently had a 2 mpg decrease in fuel economy and I have driver the same truck the same way. VERSATILITY FOR A WIDE RANGE OF APPLICATIONS. 4 mpg running 1000 mile round trip loads half empty and half at 10,000 pounds. ECM tuning can help strike the perfect balance. This was our first trip with the truck and I loved it except for the fuel consumption. 2016 Cascadia, DD16 600 hp 1,850 ft-lbs, 18 spd UltraShift, 3. The DD15 delivers on both fronts. It’s important to note that other factors can lead to bad gas mileage. Effi cient long-haul is over 60,000 annual miles (96,000 kilometers) and a vehicle that averages greater than 7 mpg. These leaks are oftentimes caused by loose gasket seals around them. Oct 20, 2020 · Bought it with 38k. Feb 17, 2015 · Here are some comparisons between the Detroit DD15 and the Cummins ISX, including feedback from truckers who have actually operated each. Ultra-high compression ratios, increased down speeding and an improved swirl piston design give this engine up to 3% better fuel economy than previous models. 4 mpg. Dec 16, 2020 · My detroit diesel DD15 has 586,000 miles. the … read more Oil leaks. Designed with enhanced downspeeding for better fuel economy and a swirl piston design for maximum combustion, the DD15 is up to 3% more fuel efficient than our previous model. 5ish. The Integrated Detroit ® Powertrain combines our most fuel efficient engines ever, the GHG17 DD13® and DD15®, with the technologically advanced DT12 ® transmission and Detroit ® tandem high speed ratio tandem axles to help you get the most out of every Feb 17, 2012 · For what it is worth. 5mpg. Shipping Jun 30, 2019 · I just show how I, personally, get the best fuel mileage in my truck, a 2015 Freightliner Cascadia with the DD15 and 10 speed manual transmission grossing out at around 78,000 pounds. It can also be caused by a dirty air filter or low tire pressure. 1 Draining Fuel System Prior to Repairs". Aug 8, 2020 · This motor was first introduced in 2010 equipped with the latest technologies and with the promise for a very fuel-efficient design. 8 5 days ago · I have a Freightliner Cascadia 2016 DD15 Engine. I have no leaks, new air filter, coil packs are a year old. Sep 22, 2015 · It has averaged 15. Mar 28, 2022 · Fuel injector cleaners claim to help your engine run smoother and more efficiently. 55 Eaton rear. The current to the quantity control valve was around 2600 mA when the truck was running good but after it messed up the current dropped. Mar 8, 2024 · 4. Better combustion for better fuel economy. I usually get 7. 5 Billion Dollar engine featuring the Detroit Diesel DD15 with 1,850 lb-ft at 1,100 rpm torque inside Diesel Power Magazine. This will Jun 22, 2019 · The fuel mass stayed around 20 mg/st when it was running good but after it messed up the fuel mass went up to around 75 mg/st. 80% hiway at 75-80 mph 10% city 10% towing This is down 1 mpg from my 2012 F350. The DD15 displaces 14. Feb 17, 2013 · I'm averaging 5. So I brought my truck to the dealer, they diagnosed my truck and said that DOC BOX shows very high temps like over 1500 degrees which means that I have bad injectors and they are over-fueling too much and because of that made my DPF soots very dirty. To compare with S60 it is less fuel erfficient comparing with OM460 (MBE4000). Some things you should keep an eye out for include: Excessive Blow-by; Poor Performance; Poor Fuel Mileage; Rough Running; Oil Consumption; What is Blow-by in My Diesel Engine? Jun 8, 2019 · Water-in-Fuel Sensor MBE 900 and DD15 Engine Only shaft speed message is being transmitted over the SAE J1939 Data Link. Jan 27, 2011 · The more I read posts regarding poor gas mileage on the 5. Thanks to new power ratings and greater application coverage, the DD15 Gen 5 is strong, durable and ready for any job. 0 around town. Shorter and heavy or light loads, the DD13 does better. Therefore, if you have a bad/faulty fuel pump and cannot provide the engine with the necessary amount of fuel, the DD15 engine in your vehicle will eventually fail. Hope this helps. The other day I had an event (active faults) that resulted in a complete turnaround. The engine is in an '06 379 Pete, with an 18 speed and 3. The variations are between 400-505hp and about 1,471-1,671lb-ft of torque. A complete rethink of the class-leader and the application of precision engineering principles combine to provide cutting-edge improvements for 2021, including increased The Detroit® DD15® is the perfect diesel engine for long-haul and heavy-duty vocational applications, delivering amazing power, control and fuel economy. 73 rear, automatic, and 275-70-18 (32-in) tires and I'm pulling down over 16 mpg on the highway consistently and 12. 00 Unit price / Unavailable. 8 liters and the High Power engine has a peak output of 505 hp (377 kW) at 1,625 rpm and 1,850 lb-ft (2,508 Nm) torque at 975 rpm. Fuel System: The system in a diesel engine that delivers diesel fuel from the tank to the engine. Empty with a flatbed gets me 7. Long-haul is over 60,000 annual miles (96,000 kilometers) and a vehicle that averages between 6. This also can cause engine knocking and serious damage if too much liquid gasoline (which does not compress) builds up in the combustion chamber. NEED HELP? LEAVE IT TO S, GIVE US A CALL OR TEXT. Feb 13, 2023 · According to the U. The Detroit® DD15® is the perfect diesel engine for long-haul and heavy-duty vocational applications, delivering amazing power, control and fuel economy. Feb 6, 2017 · Detroit DD15 Longevity and Durability Watch the Detroit engineering lab team rigorously inspect, test and analyze a DD15® engine that has logged over 760,000 miles. If your Detroit DD15 is showing signs of Power Loss, Poor Fuel Economy or Excessive Oil Consumption, you may be ready for an engine rebuild. Torque the fuel inlet for the low pressure pump to 45 N·m (33 ft·lb). While some Duramax engines are designed for better fuel efficiency. I am getting 6. May 27, 2020 · The new DD15 Gen 5 engine advances the legacy of the highly capable, and real world validated DD15 to bring enhanced performance, durability and fuel economy for the Cascadia. 1 Low Pressure (Version 4 Fuel System) This procedure will allow the low pressure fuel system to be monitored by using pressure gauges. No matter what I do or how fast / slow I drive it gets the same. 70 rears, rolling on 11R 22. 2 Test the Engine with Repaired Fuel Injector. It's well-regarded for its performance, fuel economy, and durability. However I am getting horrible fuel millage. 5-7k ish miles ago I noticed the fuel economy took Jun 6, 2019 · Determine if you have Version 4 or Version 5 fuel system to use the following procedures. Torque the fuel return for the low pressure pump to 45 N·m (33 ft·lb). A tailwind increase 1 mpg. Dec 18, 2020 · Long story short, these trucks seem to be capable of getting excellent fuel mileage if you are really vigilant about how you drive and where you fuel up, but fuel inconsistencies, ambient temperature, driving habits, A/C usage, idling, towing all take their tolls on mileage. 1 IMP mpg (5. 5 mpg. “For drivers traveling long distances with a full load, a 6×4 axle configuration provides maximum traction, offering a balance of robustness and efficiency. Severe duty is up to 30,000 annual miles (48,000 kilometers) and a vehicle that averages less than 5 miles per gallon (mpg). 5 to 5 mpg. Perform the following to determine if the fuel injector repair resolved excessive white smoke: Start and run the engine. Went 70mph empty and got 6. Longevity? Couldn't tell you, but I've seen DD15's with a million miles on them already. But this week, about 2 weeks since oil change, my gas mpg has went down to 7-9mpg. Diesel Engine: An internal combustion engine that operates using diesel fuel. This will Dec 29, 2008 · Winter fuel blends also burn faster, decreasing economy significantly (1-2 mpg isn't uncommon). Coolant loss and internal coolant leak One of the most common symptoms of a failing Apr 22, 2014 · But, you can generally expect 6-9 MPG with a DD15, and 6-8 with a SEries 60. 2011 Volvo 730, D 13 set at 435 HP, 3. 6 Tape and Taping; DD15 Troubleshooting – Section 17. 35 Comments: I live 5 minutes from a less traveled interstate, I-49, that intersects with the much busier I-10, approx. 4. Mar 13, 2017 · I just bought this used fleet truck 2011 Cascadia with DD15 and have poor fuel mileage. They compared 13L OM471 with 12L OM501. fuel economy, noise, driveability, and Mar 12, 2011 · I too have suddenly had an extreme drop in gas mileage. Sometimes I will travel these routes instead of going through the city. This is known as a rich fuel mixture. By fine-tuning these critical parameters, you'll find that your truck sips fuel more efficiently , reducing operational costs. If I bought an x15 and wanted more than 6 mpg I'd get the economy version and probably 485 with the split 1550/1750 torque. They incorporate technologies such as variable cam phasing, intelligent turbocharging, and advanced fuel systems to improve combustion efficiency and overall fuel economy. 55 gears, I shift with 707k miles. 3-. Jun 22, 2020 · We were finally able to get out and take a trip last week. Went from 10 mpg to 15-16mpg. Jul 2, 2021 · Heavier and taller, the DD15 in my full roof Cascadia might have been about the same fuel economy as my mid roof Western Star 5700XE. 15 miles down. Search Forums; Recent Posts; Trucking Jobs; Truck GPS; Reviews; CDL Practice Tests Oil leaks. In the last 40,000 miles the oil consumption has gone from zero to 1 gal. Department of Energy, every 1-psi drop in tire pressure decreases gas mileage by 0. Known for their fuel efficiency and power, diesel engines are commonly used in heavy-duty vehicles like trucks. You also want to ensure you use the right fuel type with the right octane rating for your car. 25mpg going 62mph. The more I increased the governor the better the fuel mileage got. 4 million miles driven in 166 Freightliner Cascadias Freightliner Cascadia MPG - Actual MPG from 166 Freightliner Cascadia owners Mar 13, 2017 · I just bought this used fleet truck 2011 Cascadia with DD15 and have poor fuel mileage. Section 5. New Shop Info: https://goo. 92 rear ends. Feb 3, 2022 · The result is you’ll probably want to run a gear down, or at least split the top gear with a multi-speed transmission. 3 Common Powertrain Controller; DD15 Troubleshooting – Section 17 DDEC VI System FOR BETTER FUEL ECONOMY. The dash computer always says i've used more fuel than i haveso actual mileage is better than it sayswhich is odd, not like the old lie-o-meters in the 6. 9 mpg. When i first started driving my truck my fuel mileage was pretty awful because, well, i was driving it like a car. Jun 22, 2015 · The best fuel economy starts with a truck model specifically designed to squeeze the most possible miles from a gallon of diesel fuel and all major builders offer these for their on-highway Nov 18, 2021 · Featuring ultra-high compression ratios paired with a new swirl piston design that make combustion even better, the DD15 Gen 5 can achieve more than a three percent improvement in fuel efficiency. A strong headwind tends to drop my economy at least 1 mpg. Not to mention all the poor fuel mileage bills. The Gen 5 DD15 displaces 14. 5-9mpg (on over 2,000 miles). When I switched from regular 78 octane fuel to 89 octane 10% ethanol, my mileage dropped 1-2 mpg. Additional performance-related achievements include increased downspeeding and a ball bearing simple geometry turbo that provides quicker response. Loaded at 70k gross with steel sheets Oil leaks. Sometimes, the DD15 engine experiences oil leaks around the fuel pump, air compressor, oil coolant system, and camshaft housing. DETROIT DIESEL DD13/DD15 FUEL PUMP A4720901550 $1,699. But, let us get into details on the performance of this beautiful motor. It includes components such as the fuel tank, fuel pump, fuel filters, and fuel injectors. Keeping the engine in its fuel economy sweet spot means adapting the powertrain for the application. For example, a heavy-duty 6. I ran 2 identical loads back to back. Loaded at 70k gross with steel sheets Aug 14, 2012 · I am working with 012 cascadia evolution DD15 I want to get poor gas mileage and be able to switch it back to decent mpg - Answered by a verified Technician We use cookies to give you the best possible experience on our website. May 9, 2014 · Switching from factory spec 0-20 SAE synthetic to 5-30 SAE synthetic for high mileage may have been a mistake. Page 2 of 3 < Prev 1 2 3 Next > Aug 19, 2015 #11 Jun 6, 2019 · DD15 Fuel System Technician's Guide - DDC-SVC-MAN-0037: Generated on 10-13-2008: Posted in DD15 Engine Fuel System, Diagnostic Tests. 972-225-30174140 Langdon Rd. 0 percent. If you have bad gas mileage on your Cummins, this could be a Cummins Nox sensor problem. Ultra-high compression ratios combined with a new swirl piston design and a new, 10-pin injector create better combustion, reduce ash production, and improve fuel economy by up to 4. Nov 26, 2011 · Other than that, Im floating the gears. Both my 2003 Hemi and my 2007 Hemi got about 15-17 mpg. Earlier, I had a problem with DPF system. Jun 30, 2019 · I just show how I, personally, get the best fuel mileage in my truck, a 2015 Freightliner Cascadia with the DD15 and 10 speed manual transmission grossing out at around 78,000 pounds. Both had 20 inch tires and 3. 5 Conduit and Loom; DD15 Troubleshooting – Section 17. Nov 7, 2015 · I bought 2002 Freightliner Century with a N14. Feb 14, 2015 · I did much research before getting these and everyone claimed great fuel mileage. ⓘ The DD15 engine touts impressive power ratings, an innovative aftertreatment system and other key features to increase efficiency, durability and performance. It's getting 7,5 - 8,0 per gallon with heavy loads 37,000+lbs And 9,5 - 10,5 per gallon on light loads 7,000lbs - 15,000lbs Oil leaks. New aftermarket filters include a two year unlimited mileage warranty and come with the required gasket(s). Idle shut down can be setup where PTO doesn't interfere Top speed limit - this is a big one that can easily be turned on to limit drivers bad speeding habits and poor speed control habits (pedal jockeys) High drag applications use significantly more fuel as speeds go up from 60mph. 10 speed manual. Purchase a truck that is designed to run in the sweet spot, in direct gear at the speed that you are going to drive it, then haul the lightest load that you can get. Surprised the driver didn't kill me. Feb 26, 2018 · And in my 389 at 500/1850 an honest average fuel economy would be around 5. Loaded at 70k gross with steel sheets Dec 13, 2022 · Have an '05 5. 8 and still counting upwards. † Miles/Kilometers or Hours, whichever occurs first. 2 Motor Control Module; DD15 Troubleshooting – Section 17. Sep 3, 2022 · I drive on mostly flat ground in the midwest, with little crosswinds, and midweight loads in a dryvan, and I have been averaging barely 7mpg, never getting any better than that. Short-haul is between 30,000 and 60,000 annual miles (48,000-96,000 kilometers) and a vehicle that averages between 5. Back to normal. 99 - FAST SHIPPING. Sent from my SM-N970U using Tapatalk Max Mileage Flashpoint Cold Snap FASS Double Detroit DD15 Fuel Line Kit $150. 0 Stage 1 turbo, WDI 155cc injectors, FICM w/Atlas 40, EGR delete, STC Livewre with Gear Head tunes SRL+, 8K tow, unlimited tow. 0 and 6. Always have done maintenance on time. In some scenarios, this will cause the powertrain control module to compensate by mixing more fuel to ensure optimal engine performance. The DD15 is more fuel-efficient than the ISX, particularly at RPM lower than 1,500; The ISX has a wider power band than the DD15. Right now truck is rated at 455hp/1550torque its getting over 7mpg with 45k load. This truck has both DEF and DPF system. Today's modern engines will last around the same mileage. After going thru one quart Lucas measuring it at every fill up my fuel economy has gone from 14. 2 - 5. Dec 8, 2012 · You have to replace the whole emission box for $12,000 they seem to go bad around 650,000 miles. 4 percent. Bad Fuel Economy. Oil leaks. It is important to maintain proper tire pressure recommended by the vehicle manufacturer to ensure maximum fuel efficiency and optimal tire performance. That, however, will increase your average engine revs per mile and your fuel consumption. I can shift without ever touch the accelorater as well. It has the same fuel efficiency as the DD13 – from 6. 4L, the more fortunate I am with my new-to-me 2008. 5 billion in development, the new heavy-duty Detroit Diesel DD15 engine was unveiled Friday at the Detroit Diesel plant in Redford, Mich. Nov 18, 2021 · Featuring ultra-high compression ratios paired with a new swirl piston design that make combustion even better, the DD15 Gen 5 can achieve more than a three percent improvement in fuel efficiency. A lot of fuel economy comes from proper specs and driver ability. 4 MPG (calculation). Sep 6, 2018 · The list of mods - ARP head studs, BPD remote oil cooler system, BPD water pump, Driven Diesel Regulated Fuel Bowl delete, FASS Fuel 125 gph fuel system, Odawg SR3 ported intake manifold, KC 6. I drive efficiently (62mph, gentle acceleration etc) and still get awful fuel economy. The best fuel on the Series 60 is the 13 speed Eaton or Rockwell 18 speed with a 3. High RPM's and full load fuel leads to bad fuel economy! The DD13 is capable of producing 550hp and 1850tq and the DD15 is capable of 600hp and 2000tq with tuning alone! No need for aftermarket parts such as larger turbochargers or injectors allowing for easy maintenece anywhere you can get your truck serviced. Jun 6, 2019 · The fuel pump (2) pulls fuel from the fuel tank through the fuel heat exchanger for the MCM. Genuine OEM Option May 15, 2013 · Fuel mileage is really pretty pretty simple. Detroit DD15 Engine: A specific model of diesel engine produced by Detroit Diesel. Here are seven symptoms to watch out for: 1. Detroit’s trusted service and technology. The features and benefits of the DD15 are numerous, but let’s start with some of the major game changers. Install the banjo bolts. Refer to "6. 5 tires, 21,500 lbs truck only, 42,240 lbs empty. 3 l for speed automatic it's getting horrible gas mileage like not even 200 mi to a tank I know I have a bad O2 sensor on bank 2 sensor 2 but what else could be causing such poor poor mileage. No visible leaks underneath. *this example assumes 10,000 miles driven per month at 6 MPG and a fuel expense of $3. Fuel economy when I bought the truck was around 13. Again, way too many factors, all I can say is GENERLLY a DD15 will outperform a SEries 60 in fuel economy. I am experiencing poor fuel economy and the engine idles and runs rough. In later years, they switched to 16 and 17 inch tires, which help to improve the gas mileage a bit. If you get the 18 speed, you can get good fuel mileage and extremely well pulling power with 3. 64. Jan 7, 2022 · Is anybody else having issues with their Gen. See how this engine continues to perform as if it just came off the line. Went from Colorado Springs to Custer, SD for a few days. 6L Duramax gets 17-18 mph on the highway and 13 mpg in the city. Read the label to measure how much Lucas per gallon of gas. 4 better with open deck. Mar 1, 2024 · Dual monitored fuel return values; Temperature controlled calibration fluid; Complete report detailing number of tests passed/failed; Benefits of testing DD13/15/16 Fuel Injectors: Minimize future down time from underperforming injectors; Identify injectors which may be contributing to lower power output/poor fuel economy The DD15 engine touts impressive power ratings, an innovative aftertreatment system and other key features to increase efficiency, durability and performance. Diagnostic Tests List of Contents. Apr 29, 2021 · What Symptoms Tell Me It’s Time to Overhaul My DD15? You might be wondering what symptoms indicate it’s time to overhaul your DD15 diesel engine. gl/maps/HzwG98iioszjQWRP6TAT Express Inc. xuqk zduc lbmwcd odalh lttyqt ynw mhb ujx cae bbfbl