Why did my Duramax diesel injector stop working?

Why did my Duramax diesel injector stop working?

There are several causes of the failures, and the issues were so common, GM covered the injectors with a special extended warranty for 200,000 miles or 7 years after the vehicle was placed in service.

How long does a fuel injector last in a car?

Every time you crank and run your car, the fuel injector will be used to provide the engine with the power it needs to perform. The fuel injectors on your car will typically last between 50,000 and 100,000 miles.

When to change the oil on a Duramax?

Always follow the severe duty maintenance schedule if you’re driving conditions include: 10,000 miles or when “change engine oil” message is displayed by the oil life monitoring system Check filter condition every oil change and replace as necessary; replace at 45,000 miles regardless

When to change transmission fluid on GM 6 speed Duramax?

GM advises that the ZF S6-650 6 speed manual transmission does not require service. To maintain shift quality and promote transmission life, consider replacing fluid at 60,000 mile intervals, especially if usage meets any of the severe duty conditions. Service interval not provided by GM, routine service may promote longevity.

There are several causes of the failures, and the issues were so common, GM covered the injectors with a special extended warranty for 200,000 miles or 7 years after the vehicle was placed in service.

Are there any problems with the GM Duramax?

In stock form and even when substantially modified, GM’s legendary V8 diesel can provide hundreds of thousands of miles of trouble-free use. Still, and just as we exposed the shortcomings of the almighty Cummins, the Duramax isn’t without its flaws—some of them catastrophic.

What are the problems with the Duramax LB7?

One thing the ’01-’04 LB7 Duramax is notorious for is injector failure. The two primary failure points of the factory injectors are internal cracking of the injector body itself and corrosion-induced failure of the internal ball seat.

How long does it take to replace an injector?

Based on the labor time it takes to replace the injectors, (book time is around 16 hours) many owners decide to replace the entire set of eight at once since labor costs would be duplicated if you had to come back later to replace the ones you skipped.

What happens to balance rate of Duramax engine?

A balance rate is the amount of fuel that has to be added or subtracted from each individual cylinder to make the engine run smoothly, so if an injector is failing, its balance rate will be much lower or higher than its siblings.

When does a Duramax Diesel go into limp mode?

If you are on the throttle and the engine RPM suddenly rises but you don’t accelerate or the truck goes into reduced power, also known as limp mode, you have received your warning.