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P0121 Diagnostic Trouble Code Discussion for October 2012

Throttle Position Sensor Does Not Agree With MAP


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Trouble Ticket Help Requests for DTC P0121
Help Request Posted
2006 Chevrolet Cobalt SS 2.4L MIL Lamp on VIN: 1G1AM58B26
P0121: TP Sensor 1 Circuit Performance. ... and a P0121 code I replaced the Throttle Body with TPS. The new TPS reads 8% at idle but the idle runs up between 1800 and 2700 RPM by itself. After clearing code the P0121 is gone but a new P0507 code is set for Too High Idle. Replaced gas pedal sensor wi...
October 05, 2012
2006 Chevrolet Cobalt SS 2.4L MIL Lamp on VIN: 1G1AM58B26
P0121: TP Sensor 1 Circuit Performance. ... and a P0121 code I replaced the Throttle Body with TPS. The new TPS reads 8% at idle but the idle runs up between 1800 and 2700 RPM by itself. After clearing code the P0121 is gone but a new P0507 code is set for Too High Idle. Replaced gas pedal sensor wi...
October 07, 2012
2004 Other European 206 1.4L MIL Lamp on, not accelerate VIN: VF32DN6A64
P0121: Circuit throttle pedal sensor. REMOVED battery for charging, and then we did not accelerate.   AT 1200RPM idle, motorized throttle does not move. Butterfly MOTOR WITH POSITIVE AND NEGATIVE ACTIVE and works well.
October 12, 2012
2009 Scion tC 2.4L Poor Idle Quality, Surge, No Acceleration VIN: JTKDE16769
P0121: TP Sensor Rationality. ... complaint of intermittent high idle surge and poor accelerator pedal response. Checked vehicle in shop and while idling hit a code P0121 with NO other codes at all. Cleared and reset throttle body to get out of limp mode, checked with scanner the VTA1 and...
October 15, 2012
2006 Chevrolet Cobalt SS 2.4L MIL Lamp on VIN: 1G1AM58B26
P0121: TP Sensor 1 Circuit Performance. ... and a P0121 code I replaced the Throttle Body with TPS. The new TPS reads 8% at idle but the idle runs up between 1800 and 2700 RPM by itself. After clearing code the P0121 is gone but a new P0507 code is set for Too High Idle. Replaced gas pedal sensor wi...
October 05, 2012
2006 Chevrolet Cobalt SS 2.4L MIL Lamp on VIN: 1G1AM58B26
P0121: TP Sensor 1 Circuit Performance. ... and a P0121 code I replaced the Throttle Body with TPS. The new TPS reads 8% at idle but the idle runs up between 1800 and 2700 RPM by itself. After clearing code the P0121 is gone but a new P0507 code is set for Too High Idle. Replaced gas pedal sensor wi...
October 07, 2012
2004 Other European 206 1.4L MIL Lamp on, not accelerate VIN: VF32DN6A64
P0121: Circuit throttle pedal sensor. REMOVED battery for charging, and then we did not accelerate.   AT 1200RPM idle, motorized throttle does not move. Butterfly MOTOR WITH POSITIVE AND NEGATIVE ACTIVE and works well.
October 12, 2012
2009 Scion tC 2.4L Poor Idle Quality, Surge, No Acceleration VIN: JTKDE16769
P0121: TP Sensor Rationality. ... complaint of intermittent high idle surge and poor accelerator pedal response. Checked vehicle in shop and while idling hit a code P0121 with NO other codes at all. Cleared and reset throttle body to get out of limp mode, checked with scanner the VTA1 and...
October 15, 2012