random cylinder misfire

  1. GM Guy

    Hard start/ Help with Auto Enginuity

    Please fill out the following to ask a question. MAKE:Chevy MODEL:Monte Carlo YEAR:2004 MILES:148k ENGINE:3400 DESCRIBE ISSUE....First, forget the Auto Enginuity question, I'll ask that later. I've got a rough idle when hot in gear and it has died a time or two. When restarted (lots of crank...