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P0121 Diagnostic Trouble Code Discussion for May 2007

Throttle Position Sensor Does Not Agree With MAP

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Trouble Ticket Help Requests for DTC P0121
Help Request Posted
1999 Jaguar XJ8 4.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: SAJHD1049X
P0121: throttle/pedal position sensor switcha circuit range/performance. need some help; this jag came in with a rough idle, no power, no accelerator action/accelerate by itself complaint. we scanned the car using generic obd2 and came up with only one code described above for the trottle sensor. replaced with brand new complete ja...
May 07, 2007
2003 Saturn Vue 3.0L MIL Lamp on VIN: 5GZCZ63B42
P0121: TP Sensor Signal Out of Range. This Saturn is setting mentioned codes very intermittently.I have read TSB # 03-06-04-043 and checked TB and connector. I drove vehicle for one week and could not duplicate problem. I have checked and moved wiring harness with no effect. I found a similar post...
May 17, 2007
2001 Jeep Grand Cherokee Limited 4.7L Surge, MIL Lamp on VIN: 1J4GW58N31
P0121: Throttle Position Sensor Does Not Agree With MAP. ... road when it started to hesitate, MIL came on. Drove vehicle confirmed hesitation, at idle surging, high idle. Found DTC P0121 in ECM. Pulled up diag tree for code in AllData, On Step #2 MAP Sensor voltage was below 2.0 volts at idle ( was at 1.6v ) and it...
May 22, 2007