Code P 0011

Question

P 0011 engine code, 2004 Chevrolet 2500HD Duramax, 6-6 LLY

Answer 1

Hi there,

This code is for bank 1 cam timing over advanced. There can be a few causes for this code. The most common problem is low engine oil. Bank 1 cam sensor can be bad as well as the variable intake timing solenoid.