
P0121 Diagnostic Trouble Code Discussion for February 2005
Throttle Position Sensor Does Not Agree With MAP
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Help Request | Posted | |
1997 Pontiac Grand Am SE 3.1L Poor Idle Quality VIN: M6VC710466 P0121: TP Sensor Performance. help gm techs the idle runs normal for a while and then idle starts to go up, tps sensor code comes on and replaced sensor, found no help, found the air flow sensor not reading on scanner, will this cause po121 code? tried an other scanner and the same thing, ... |
February 12, 2005 |