Engine/Drivetrain
I have a 2010 Chevy Traverse, 3.6L V6. 140000. Bought a month ago for a project, unsure of the history. Have driven it only about half an hour total. Has misfires on cylinder 3 and 5. When started cold it will run well for about 1-2 minutes until the engine warms and it starts to idle down. At...