P0121 Diagnostic Trouble Code Discussion for October 2005
Throttle Position Sensor Does Not Agree With MAP
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| Help Request | Posted | |
| 1997 Buick LeSabre Custom 3.8L Poor Idle Quality, MIL Lamp on, idles to high VIN: 1G4HP52K8V P0121: TP Sensor Performance. Replace upper intake with updated plenum, Customer came back complaining of check engine light on & High RPMS. PO121A Code Reoccurs. Have tried adjusting TPS , Cleaned the throttle plate, Added additional ground to ground wire on tps. Disconnect to see if ... |
October 11, 2005 | |
| 2001 Hyundai Elantra GLS 2.0L Hesitation, Surge, MIL Lamp on VIN: KMHDN45D21 P0121: Throttle Position Sensor Circuit Range/Performance. Hello hyundai techs: I have this 01 elantra with MIL on and code P121. The car idles rough and hesitates on acceleration. My scan tool did not have the description of this DTC. I have also checked Alldata and found none . Can you please help. |
October 11, 2005 | |
| 2001 Hyundai Elantra GLS 2.0L Hesitation, Surge, MIL Lamp on VIN: KMHDN45D21 P0121: Throttle Position Sensor Circuit Range/Performance. Hello hyundai techs: I have this 01 elantra with MIL on and code P121. The car idles rough and hesitates on acceleration. My scan tool did not have the description of this DTC. I have also checked Alldata and found none . Can you please help. |
October 12, 2005 | |
| 1999 Isuzu Rodeo LS 3.2L Hesitation VIN: 4S2CM58WZX P0121: Throttle Position Sensor Signal Range/Performance. ... need some help with!The car has a intermittent check engine light with a p0121 tps code .The light usually comes on during cold start idel.Just start it not touching the gas at all and let it idel the light comes on.Tps appears to be within specs at this t... |
October 26, 2005 |
