Question about 2000 GMC Safari

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97 safari won't start when wet, after it rains the van will not start, fuel pump is new, seems like no spark, let dry for couple of days and it runs like normal

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  • pfloyd415 Jul 25, 2009

    Changed the coil,Problem solved! thanks!

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Had same exact problem, it was a bad coil. I could not duplicate "no start" problem with water bottle. Replaced coil and problem gone.
Note: There was a noticeable engine misfire at highway speeds on humid days. This accompanied the no start problem.

Posted on Jul 23, 2009

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I think it may be a crack in your coil pack (where the plug wires go opposite the plugs. it may not be visible but i would look into that.

Posted on Jun 27, 2009

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I would check harness body grounds for loosness or corrosion especially in the rear of vehicle.

Posted on Jun 27, 2009

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