rev up driving or setting at stoplight

2000 FORD RANGER
93,000 MILES
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TKINTON
  • MEMBER
  • 1 POST
When it rains my 2000 ford ranger will lurch as I drive it. I sometimes have to keep my foot on the brake in traffic because it takes off too fast.
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Right after it rains my ranger will rev up while I am driving or setting at a stoplight. When I take my foot off the brake it sometimes really revs up?
Jul 4, 2012 at 6:25 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
i would check the mass air flow or map sensor as atmospheric pressure effects both sensors.

Roy
Jul 4, 2012 at 6:39 AM
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