GMC Troubleshooting Questions? Ask a Mechanic for Answers
Hello my name is***** am an ASE Master Technician and I am glad to help you out with your question.
I have seen problems with the throttle body causing this problem.
It could also be a problem with the ecm.
Do you have a multi meter?
Do you need the repair steps and wiring diagram from the factory service manual?
Do you still need help?
Hello again Dan here,
I am contacting you because the post has not been closed or rated.
This question is coming up on 7 days which means it will time out and close.
You have already paid to get this question answered, but you have not rated.
Let me help some more. Is there anything else I can help you with?
If I did not give you 5 star service, please let me know what I missed.
I do not get compensated for my time and resources unless you rate me.