1997 Volkswagen Jetta No Start When Wet

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BOBTREEBRANCH
  • MEMBER
  • 1 POST
i have a 1997 jetta and when it rains or even very humid, it just wont start. any other time it runs beautifully. if i have been driving it, and it rains, it will start fine. it only seems to bother it after sitting for long periods of time, such as overnite.
Dec 30, 2006 at 4:11 AM
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BRUCE HUNT
  • ✓Experienced Mechanic
  • 3,754 POSTS
First thing that comes to mind is the wiring for spark. I think that vehicle has a dist and regardless, a bit of silicone sealant around the plug wire connections could help.
Jan 8, 2007 at 1:59 AM

Suggested Repair

Inspect the spark wiring, including the distributor if equipped, and apply silicone sealant around the spark plug wire connections to keep moisture out.

Conversation Summary

A 1997 Volkswagen Jetta starts and runs normally except after sitting overnight in rain or high humidity, when it will not start. An expert suggested moisture affecting the spark wiring and recommended sealing the plug wire connections with silicone.

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