stumped 3.1


Old 05-20-06, 06:04 AM
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Join Date: May 2006
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Angry stumped 3.1

Hi, I have a 1990 cavalier z24, 3.1 v6, auto on nice days it runs great. when it rains or I hit big puddles it idles and runs really rough for a couple of days. changed coils and plugs and no differant. any suggestions?
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Old 05-20-06, 06:09 AM
Join Date: Aug 2003
Location: Cape Cod
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Originally Posted by wildmans99
...changed coils and plugs...any suggestions?
Spark Plug Wires
Old 05-20-06, 02:15 PM
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Next time it does it, if you dont' get the plug wires first?...pull over, while it is still running (don't shut it off as it may not restart) and see where the water got. It could be around the distributor and coil pack as well. Any water around where the high voltage occurs could be setting up a premature grounding pathway.

When sticking your hands in the engine compartment, always be wary of the cooling fan simply coming on, out of the blue, all by itself, and also don't lean over with loose clothing or hoody strings dangling.
Old 05-23-06, 01:15 AM
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stock or custom air intake?
Old 05-23-06, 01:53 AM
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if it don't restart try wd-40 in the ingnition system its made to dry it out and if it restarts than theres the problem
Old 05-23-06, 05:57 PM
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Join Date: May 2006
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thanks, but it has no distributer, and see no sparking. has stock air filter. It always restarts and it has never stalled out. It runs like it has a bad mis, with new plugs and wires. Took all plugs out re-cleaned them. They are autolite platnum +4 plugs. Could I have water in my gas? Will this cause such a headache?
Old 05-23-06, 11:47 PM
Join Date: Feb 2006
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If hitting puddles gets water in gas then you need a new gas tank.Bad wires or cheap new ones will do this.

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