Fixing a 2004 Duramax Glow Plug Control Module Issue
If you're struggling with cold starts on your LB7 or LLY, your 2004 duramax glow plug control module might be the sneaky culprit behind those rough mornings. It's one of those parts you don't really think about until your truck is coughing white smoke and throwing codes as soon as the temperature drops below fifty degrees. ...