What is your question?
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What is your question?
I took my truck in to get inspected but the check engine light came on first. they cleared the light and said it was a vacume leek. they couldn't find the leek they think i may have been the gas cap, but they told me i need to drive the truck for a while so the computer resets for the emissions test. So my question is how long do i have to drive it for that to happen?

1 Reply
It sounds like the shop did not even know how to fix the problem, they only said it 'maybe this or maybe that'. Trust me, if the light was on, you have a real problem that needs to be properly diagnosed and repaired. Take your GMC to a real shop, here are a few to call and see if they KNOW what they are doing: https://repairpal.com/gmc-repair-in-irwin-pennsylvania