What is the deal with GM's DI vehicles cat warm up mode?? A few months ago still in the middle of winter my cat warm up mode started acting weird, it would miss, shake, and throw misfire CEL. It...
Type: Posts; User: SIXXER
What is the deal with GM's DI vehicles cat warm up mode?? A few months ago still in the middle of winter my cat warm up mode started acting weird, it would miss, shake, and throw misfire CEL. It...