1999 shuts off intermitantly - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-02-2009, 08:00 PM   #1
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Default 1999 shuts off intermitantly

runs great when its running...dies..everything works except power windows after it sets for awhile it restarts...turns over acts like its fuel starved dont hear fuel pump. gad i hate intermitant electrical problems any help would be appreciated
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Old 11-02-2009, 08:06 PM   #2
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When it dies do you have spark? Can you check the fuel pressure? That will help narrow down where to look.
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Old 11-02-2009, 10:20 PM   #3
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looses fuel and power windows swapped out relay and circuit breaker everything else lights ect.. all work. The two are tied together somewhere else in the scheme of things.. Im at a loss could it be the ign. switch?
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Old 11-02-2009, 10:22 PM   #4
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Hmm, perhaps the ground bus needs cleaning.
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Old 11-02-2009, 10:34 PM   #5
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I saw a thread on here about that but cant seem to find it right now
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Old 11-02-2009, 10:38 PM   #6
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Old 11-02-2009, 11:05 PM   #7
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thanks Dan I will look at it........cant hurt
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Old 11-02-2009, 11:29 PM   #8
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Let us know how it works out.
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Old 11-03-2009, 08:32 AM   #9
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Could be a crank sensor. Which is why the reason for checking fuel pressure when the issue happens. If you have fuel but no spark, chances are high it'* crank sensor.
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