TP sensor replaced but check engine light still on. How can you tell if it is a computer problem?

Asked by Sep 10, 2014 at 11:42 AM about the 2003 Chevrolet Tracker LT 4WD

Question type: Maintenance & Repair

I had the TP sensor, PO102, PO113 Intake Air temp circuit replaced. They say it maybe
electrical or the computer(possibly). The car has 177 thousand miles. How can you tell if it
is a computer problem?

4 Answers

83,155

A live data scanner is the best way to tell, if all of the sensor reading correspond with the book readings then the ECM may have a failure. Have you done a hard reset on your ECM?

Another diagnostic was done and what was said was; PO122 + PO123. CHECK tps check harnesses (electrical) from throttle body to computer. It drives well, so i am hoping it is not the computer

83,155

As the ECM changed codes after repairs it sounds like there is a wiring problem, grounds are a high probability.

ok thank you.

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