run bad after rain

1997 NISSAN FRONTIER
120,000 MILES
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JOHN C. HASS
  • MEMBER
  • 1 POST
my 1997 nissan frontier runs roughly after a heavy rain and the service engine light comes on. After warming up for 5 minutes it runs normally . After it dries out the service eng light goes off. Any ideas
Oct 13, 2012 at 8:48 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
look at the dist cap, rotor and wires. as they get wet, they short out and cause miss fires.

Roy
Oct 13, 2012 at 8:50 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
Check for trouble codes. They would lead you to the circuit/component that is being affected by the rain.
Oct 13, 2012 at 1:35 PM
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