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2001 GMC Jimmy My car won't start after it rains

Tiny
MARY&ROCKY
  • MEMBER
  • 2001 GMC JIMMY
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 99,012 MILES
After it rains my GMC Jimmy will not start I have replaced the fuel pump and still after a rain it will not start. It sounds like it wants to but does not then when the sun is out it starts right up no problem. Why will it not start after the rain?
Monday, January 18th, 2010 AT 12:47 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Welcome to the forum. In total darkness, raise the hood, engine running, can you see any lites or fire running everywhere? Maybe you need some new plug wires. When the problem occurs are you missing spark at the plugs? Also, check for moisture in the distributor cap.
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Monday, January 18th, 2010 AT 1:13 PM

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