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#1 |
Registered Member
Join Date: Apr 2000
Location: New Jersey
Posts: 167
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![]() My '89GT's idle surges up to 2500 RPM and stays there until I turn the ignition switch on and off. I've learned to do this quickly so as not to stall the motor. I've replaced and correctly set my TPS. What's interesting to me is that the problem gets worse in the rain or when it is very humid out. Recently the problem ONLY surfaces in the rain. Any suggestions??
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