Vapor Lock?


Old 07-03-03, 02:57 PM
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Vapor Lock?

I have a 91 Pontiac Grand Am. It dies ocassionally, usually on very hot days after its been driven for a while. The car sat for a year, but started and ran fine. The controll module was replaced a month before it was parked. New gas is in the tank and it has had several tanks ran through it. It dies usually when trying to excelerate. After it sits for about 10 minutes it will start back up. It acts like a vapor lock but Im not sure if that is possible in this new of a vehicle. Any help or possible ideas would be appreciated.
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Old 07-03-03, 03:25 PM
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Has the vehicle been tuned recently? It could also be an ignition module that will not dissipate heat as well.
Old 07-03-03, 06:41 PM
msargent's Avatar
Join Date: Jan 2003
Location: Arkansas
Posts: 469
Borrow/rent a fuel pressure gauge..Next time it dies, check the fuel pressure. That's another component that doesn't like "just sitting" for months/years..

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