Awasome 2003 Duramax Check Engine Light 2023. Realized that yesterday when cleaning out the air filter box i had forgotten to plug back in the sensor. Web check engine light came on his morning on way to work.
Realized that yesterday when cleaning out the air filter box i had forgotten to plug back in the sensor. The check engine light came on after the truck sat for a couple of days,. I had onstar do remote diagnostics.
