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  #1  
Old 07-31-2006, 12:44 AM
Flash56 Flash56 is offline
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91 cavalier heat up problem

I got a 91 cavalier that runs great for around 10 minutes and then it just shuts off because it's not getting any spark, if you leave it sit for a few hours it starts fine and will run for another 10 minutes, no more no less, replaced the coil packs and coil module, have no idea what else to try, a little help would be appreciated.
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Old 07-31-2006, 07:14 AM
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mike2004tct mike2004tct is offline
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Re: 91 cavalier heat up problem

Sounds like an iginition module going bad.
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Old 08-05-2006, 03:35 PM
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Re: 91 cavalier heat up problem

the coil module and the ignition module are the same part, i already replaced it, there's something else that's wrong with it that i have no idea what it is.
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Old 08-28-2006, 04:10 PM
17ford 17ford is offline
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Re: 91 cavalier heat up problem

i had a similar problem w/my 91 z24. i'd check your crank sensor and if thats ok check the wire that runs from the crank sensor to the ignition module it could be shortin out.
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