P0093 Chevrolet -

Question

My 2001 duramax has been setting a poo93 code when pulling a hill or towing. It starts fine and runs great with normal driving. My fuel milage is normal also. I have check the fuel filter and replaced it . I also replace the fuel lines off the filter that feed the pump. Of all the research I have done I have no simptoms of a bad pump or injectors. There is also no fuel in the engine oil, I pulled a sample and sent it to a oil lab.

Any help would be greatly appreciated

Answer 1

Hi there,

Here is some info and a list of possible causes for this code. 

P0093 CHEVROLET - Fuel System Leak Detected Large Leak

Read more: https://www.autocodes.com/p0093_chevrolet.html