Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
Welcome, I'm Chris (aka Moose) I prefer to work when others don't, I am here around lunch and after dinner till after midnight.working after noon till just after midnight.
Your codes normally indicate had injectors allowing to much fuel return or a weak injector pump. Can you tell me the actual and desired fuel pressure?
I doubt this is a plugged DPF, you can disconnect it prior for a short road test to make sure. Based on mileage you are out of warranty.
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