GMC Troubleshooting Questions? Ask a Mechanic for Answers
Welcome, I'm Chris (aka Moose).
DO you know if there are trouble codes stored?
Check actual and desired fuel rail pressure while cranking.
Do they match?
Hello Chris here again,
I am checking in to make sure you got everything you expected from my answer. The option to rate my response or reply is still available. I want to make sure you were pleased with what you paid for.