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Cutlass Series Includes Cutlass Ciera, Cutlass Cruiser, Cutlass Calais, Cutlass Supreme, Custom Cruiser, as well as the GM N-Body subforums.
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Old 12-13-2007, 03:00 PM   #1
will1976
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3.3l 6 cylinder stumbles when it rains

Hello I have a 1991 olds cutlass with a 3.3l 6 cyl engine 77,000 miles. The engine idles fine, but when it rains it stumbles on acceleration. Any help is appreciated. This is a great car otherwise.

William
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Old 12-13-2007, 04:34 PM   #2
maxwedge
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Re: 3.3l 6 cylinder stumbles when it rains

Could be bad plug wires look for cracks around the coil paks also.
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Old 12-14-2007, 10:53 AM   #3
will1976
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Re: 3.3l 6 cylinder stumbles when it rains

I replaced the spark plug wires and spark plugs and no help. I was told it might be the dist. cap? All the sensors are tightly locked in place but that doesnt mean they couldnt be faulty. I would think it is electrical since moister seems to be the problem. Thanks for the replies. It is our family car..

William
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Old 12-14-2007, 03:55 PM   #4
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Re: 3.3l 6 cylinder stumbles when it rains

There is no dist cap this is DIS system, you have a module and coil pak, try spraying some water on the coil pak at nite see if you see any arcing.
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Old 12-14-2007, 04:39 PM   #5
will1976
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Re: 3.3l 6 cylinder stumbles when it rains

Hey thanks for the help. I will try that. I also read to spray the coil pack with water to check for arcing.
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