Throttle

2002 CHEVROLET CAVALIER
4 CYL • 2WD • AUTOMATIC
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WOMANOFGOD626777
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  • 1 POST
Replaced throtle position sensor what else I need to do chevy 2002 cavalier 2.2 code was po122 took o old sensor of and put new one old that's was all I did
May 17, 2011 at 2:33 AM
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WRENCHTECH
  • ✓ASE Certified Mechanic
  • 20,761 POSTS
  • ASE Certified Mechanic
The code merely means that the computer is not seeing the TPS signal that it should. It doesn't have to be the sensor causing the problem. It can be any of the wiring or the PCM itself.
here is a link that may help you

https://www.2carpros.com/trouble_codes/obd2
May 17, 2011 at 11:50 AM
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