What happens if the injector fails on a Chevy Colorado?

What happens if the injector fails on a Chevy Colorado?

The mileage was similar (36k) the injector failed and caused a hole. GM replaced the motor under warranty. Mine happened at 22k in the same manner. Loss of power, shaking and oil pouring out. They came back and told me the computer said failure of #3 injector. They denied the warranty claim due to the tune.

Can a cracked diesel engine injector still run?

Although the injector body can be cracked, the engine may still run fine but just take an extended period of time to crank. In addition, the customer may notice some fuel dilution in the oil by seeing that the oil level is rising on the dipstick.

What happens when a Duramax injector is replaced?

The injectors are made by Denso (as is the whole fuel system) and have to be programmed into ECM when replaced. It is a long story but I had an injector failure that caused a hole in a piston and blowing oil out the rear main. The engine had to be totally replaced.

Can a 5.9L diesel engine have a leaking injector?

Whether you’re dealing with a 5.9L or a 6.7L engine, you should understand the process of elimination of each injector on common rail Dodge Cummins applications in order to isolate leaking injectors.

What to do if your fuel injector is cracked?

If the injector body; nozzle or internal components are cracked; then a new or refurbished injector is your only option. Replacement fuel injector seals and washers are cheap and are, fairly easy to install. This can often fix the problem, and if you are handy with a wrench, it’s not that difficult to do.

What causes a fuel injector to leak over the engine?

So, the most common cause of leaky injectors is; the failure of the O-ring, where the injector meets the fuel rail. The O-ring can become, hard and brittle, from the heat of the engine. If it breaks, then fuel can leak out, over the engine. The other way an injector will leak is if, the injector body or nozzle cracks.

How to repair a GMC Vortec fuel injector?

1. Heat the hose like you did before. Heating only the very end will help you keep from kinking. 2. Slowly press the poppet back in, don’t rush it. 3. let it fully cool and give it a few good tugs to make sure it set.

What causes the injector on a Duramax to fail?

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. The solenoid style Bosch units found in the LB7 employed a non-hardened internal ball seat to seal the injector.