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| Cavalier Problem Diagnosis Got a problem you can't fix? We can help. |
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#1
07-21-2008, 04:25 PM
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TPS problem?
Have a 2001 Cavalier 4-Cyl. 2.2 Liter. Was driving to work and it felt like some hesitation now and then. Stopped at the light and pulled out then stalled. I started it up and was OK. Same thing on the way home. Engine light came on, put the scanner on and it said-TPS/A circuit low input. Would it be the TPS or can it be anything else?
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#2
07-21-2008, 04:59 PM
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Re: TPS problem?
It is most likely the TPS, although it could be in the wiring. To really check the TP sensor, you need a oscilliscope to check for glitches in the signal, a voltmeter will not catch them. So unless you have a scope, I'd probably just replace the sensor if there's no obvious damage to the wires.
__________________
'04 Cavalier coupe M/T 2.2 Ecotec Supercharged 14 PSI boost, charge air cooler, 42# injectors Tuned with HP Tuners Poly engine/trans/control arm bushings Self built and self programmed progressive methanol injection system
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