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Old 12-06-2010, 08:47 AM
MacRanger MacRanger is offline
Liking the Ford Ranger Forum
 
Join Date: Oct 2010
Posts: 19
Default Re: Idle RPM jumping when engine gets wet

I see this thread is old, but... my truck did something similar. Turns out i had a minute crack in the coil pack. It would get wet and run crappy. By the next day it dried out enough to run normal. Trying to find the problem I swapped out coil packs. That's when I was able to see the crack just under the plug.
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Stock 3.0 1wd w/manual trans. Pioneer Premiere head unit, 2 x 12" Fosgate P3, MB Quart 1500.1D amp, 4 pioneer premier 6 1/2"s, 4 channel V-Power Alpine highs/mids.
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