What problems does the LMM Duramax have?
5 Most Common LMM Duramax Engine Problems
- DPF system & active regeneration.
- Leaking transmission lines.
- Fueling / low fuel pressure.
- Piston / crankshaft failure.
- Allison 1000 power limitation.
What year Duramax has problems?
Premature injector failure was a critical problem for the 2001 to 2004 model year Duramax LB7.
How many miles will a 2009 Duramax last?
If you want to know how long a Duramax engine will run, you should expect it to last as much as 300,000 miles before needing any major repairs.
How many miles is a Duramax LMM good for?
Find out who’s tune it is. LMM life expectancy is advertised at 300,000 miles.
Is LMM or LML better?
LML is arguably a better engine but there are issues with DEF on all makes; Ford, Ram and GM. LMM emission controls have proved to be as reliable as any.
How many miles will a 2008 6.6 Duramax last?
The Duramax™ 6.6L V8 Turbo Diesel Engine is sold with a warranty of 100,000 miles/160,000 kilometers. The Duramax™ has been tested to survive upwards of 200,000 miles/320,000 kilometers.
What year of Duramax is best?
For example, the pre-emissions Duramax engines made between 2001 and 2007 are highly sought-after for superior reliability. On the other hand, the more modern engines add more horsepower, torque, and upgrade capability with Duramax performance parts.
What motor is in a 2009 Duramax?
6.6L Duramax LMM Specs
| Engine: | 6.6L Duramax LMM, 90 degree V8 diesel |
|---|---|
| Years Produced: | 2007.5 – 2010 |
| VIN Code: | 6 (8th digit of VIN) |
| Assembly Site: | DMAX engine plant, Moraine, Ohio |
| Displacement: | 403 cubic inches, 6.6 liters |
What is high mileage for a 6.6 Duramax diesel?
between 350,000 and 500,000 miles
The Powerstroke engine is found in Ford trucks and, like the Duramax and Cummins engines, can often last up to 500,000 miles. However, as with the Duramax and Cummins engines, between 350,000 and 500,000 miles is usually considered high mileage for a Powerstroke engine.
What is the fuel mileage for a 6.6 Duramax diesel?
This Duramax 6.6-liter V-8 gets 17 to 19 mpg on the highway.
Is 200k miles bad for a diesel?
Even when used extensively for towing and hauling, Powerstroke, Cummins and Duramax diesel trucks typically last well beyond 100,000 miles. Because of that, it’s not uncommon to see diesel pickups with 200,000 and even 300,000 miles commanding good resale values on the used truck market.
What are the most common LMM Duramax engine problems?
5 Most Common LMM Duramax Engine Problems. 1 1. LMM DPF Failure. With the evolution of diesel emissions standards, the LMM added a diesel particulate filter or DPF. The DPF is part of the exhaust 2 2. Leaking Transmission Lines. 3 3. LMM Low Fuel Rail Pressure. 4 4. Piston & Crankshaft Failure. 5 5. Allison 1000 Power Limitations.
What can I do about my Duramax engine problems?
These problems can be prevented by ensuring you are driving your Duramax on the highway enough and being cautious of not interrupting the regeneration process while its taking place. Using a fuel additive such as AMSOIL Diesel Concentrate can help the fuel burn cleaner and therefore reduce particulate build-up.
Are there any problems with the Duramax block?
Piston & Crankshaft Failure While the Duramax block used in the LMM is a highly capable and reliable engine, it does suffer some limitations. If you are driving a stock LMM and have no intentions of modifying it, then you can ignore this issue. I’ve never heard of the pistons cracking or the crankshaft snapping on stock engines.
How many versions of the Duramax diesel engine are there?
All told, there are six different iterations of the Duramax diesel engine: LB7, LLY, LBZ, LMM, LML, and L5P spanning from 2001 to the present day. Each version of the engine has its own issues and quirks, and some are less problematic than others.