OBD 2 Code P0121

Tiny
SAMMS21
  • MEMBER
  • 2007 CHEVROLET COBALT
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 92,000 MILES
I am getting a check engine light that pulls code P0121 it said something about Throttle position sensor circuit performance range. Does that mean my throttle position sensor is going bad? Is this something I can replace myself?
Tuesday, August 30th, 2011 AT 5:27 PM

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