My guess would be your temp sender has a bad connection. You can jumper that sender at the idle ECU to test. Or the ECU itself is bad.
Location: Leonardtown, MD
Posts: 9,005
My VIN: 03572
My guess would be your temp sender has a bad connection. You can jumper that sender at the idle ECU to test. Or the ECU itself is bad.
Location: Northern NJ
Posts: 8,578
My VIN: 10757 1st place Concourse 1998
If the idle changes without touching the throttle it could be a "hicccup" in the idle motor system from a bad connection. Make sure the throttle decel springs are not burnt up too. Doubt it would be the temp sender for the idle ECU, it is not supposed to be able to change the idle that much.
David Teitelbaum
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Dave M vin 03572
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