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Grounds, Found Something about High Idle RPM 900 1994

posted by  jd620 on  Mon Oct 1 18:38 CST 2018
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last visit: Fri Oct 17 07:42 CST 2014
[RELATED]

I double star washered the 2 fuel injector grounds but no help.

The car has 2 grounds added from battery minus to ABS assembly frame and fuel injector rail to strut tower. So, a previous owner must have had ground issues.

It is 47 Fahrenheit out and the car has been cooling off for the last 4 hours. I started it up and the idle RPM was normal, about 750-800 RPM. As the engine warmed up, maybe 5-10 minutes, the RPMs increased to about 1300. Something is heat sensitive. I'm wondering if the ECT (sensor under #3 cylinder) is bad. Are there other things that are heat sensitive by design that could be causing the high idle?

Thanks

--
Mine:3-940s running, 1-740, 2-940 parts, dtrs:4-940s running






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