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1999 GMC Yukon Repair Question

Topics covered: Gas, Gas cap.
Mileage: 175,000 miles.

Asked on July 17, 2011

Vapor lock

My 1999 gmc yukon is vapor lock?

Replied on July 17, 2011

So if you take off the gas cap it starts?Whats going on?I need more info?

Answered by saturntech9 (expert)
23,177 answers provided

Replied on July 17, 2011

Also any codes?

Answered by saturntech9 (expert)
23,177 answers provided