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High Idle problem sometimes up to 2000 rpm. Have found out that when this occurs I can turn the key off and back on again before the engine dies and rpm's goes back down to normal. Sometimes have to repeat this. Have replaced idle postioning sensor with same results. This is on a '92 Buick Skylark with a 3.3 liter V6.
No I didnt replace the iac motor but i did replace the tps and the code on the computer still throws up throttle postioning sensor. if i remember right its code 22. i also took the computer out and had it tested and it tested good.No I didnt replace the iac motor but i did replace the tps and the code on the computer still throws up throttle postioning sensor. if i remember right its code 22. i also took the computer out and had it tested and it tested good.
AnonymousApr 01, 2014
code 453 idle sometimes at 3000 and stay there.unplug tps go down reg idlecode 453 idle sometimes at 3000 and stay there.unplug tps go down reg idle
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I assume the check engine/ service soon light is on. Commonly the MAP sensor is the culprit, but can be TPS, CSS, even a buggy O2 sensor. Only way to be sure? (light or not) is to scan it.
Scan for codes, post any that are found, it could be a bad TPS sensor. Could also be a build up of carbon on the top (valve) portion of the engine. Try a few cans of "Sea Foam" through the intake manifold.
I have the same exact problem, but with idling roughly between 700 and sometimes upwards of 2000+ RPM. I don't have the problem you do as far as the engine heat goes, but I definitely feel the tug, hear the engine sounding bogged down at stops, and when in neutral, finding it idling extremely high. My check engine light had come on just this past month (with this problem occuring for a little over a year now), and it turns out I have a bad Throttle Positioning Sensor, which my mechanic says can cause the high idling. I'm replacing the sensor this weekend with a dealer part, which I got for $102, so I'll post again once it's done to let you know if that fixed the problem or not.
Hope this helps,
Dan
e-mail: [email protected]
No I didnt replace the iac motor but i did replace the tps and the code on the computer still throws up throttle postioning sensor. if i remember right its code 22. i also took the computer out and had it tested and it tested good.
code 453 idle sometimes at 3000 and stay there.unplug tps go down reg idle
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