Question about 2001 GMC Jimmy

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Wont start in rain

In the last few weeks its been really rainy and my truck has had problems kicking over and now finnaly it wont start

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Jimmy fx:

Since it is moisture related I would suspect the ignition system. My F150 pickup started running poorly and on a hunch I replace the plug wires, the distributor cap and plugs. It made all the difference in the world

Good luck Loringh

Posted on Nov 15, 2008

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Plug wires!

Posted on Apr 08, 2009

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Will not start when its damp out. when not damp starts right away thank u mike


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I have the same problem on the same car.
I replaced the spark plugs, wires, distributor cap and when it's damp and wet my car would not start. sometimes if i try for 20 minutes it may kick in but doing so after a few rainy days i blew my starter. Now I just spray my wires and cap with the wire dryer and WD40 before it rains. And if it doesn't start and it's wet outside, use the wire dryer. I heard some people used some shroud to cover their cap, but i don't know what they used as it's close to the engine and I didn't want something melting.

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