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| Engineering/ Technical Ask technical questions about cars. Do you know how a car engine works? |
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#1
05-27-2007, 05:03 PM
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what is the possible cause for my vehicle to stall?
What is causeing my mother 1992 Pontiac Trans Sport to be idleing rough and stalling out. I have asked her to buy the Maintenance book but i figured i would come here and ask. if you have any or all ideas please get back to me.
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#2
05-27-2007, 07:18 PM
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Re: what is the possible cause for my vehicle to stall?
Vacuum leaks are usually the biggest thing for rough idling and stalling. They're easy hard to diagnose but easy to fix. Some people like to take a butane tank and let butane flow near the suspected leak area. If the engine stops rough idling, then you found your leak. OR, you can fill your engine bay with smoke and see the movement of the smoke (if there's no wind of course).
Second thing would be the Idle Air Control. Then I would check the EGR valve. Then I'd be out of ideas and ask somebody else on this forum.
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