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P0121 Diagnostic Trouble Code Discussion for June 2010

Throttle Position Sensor Does Not Agree With MAP


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Trouble Ticket Help Requests for DTC P0121
Help Request Posted
1999 Audi A4 Quattro 1.8L Poor Idle Quality, Hesitation, MIL Lamp on VIN: WAUCB28D4X
P0121: Throttle/pedal position sensor a circ. Range performance. ... imtermittent rough idle and poor acceleration problem with the electrical consumers on when hot. Drove the car with the ac, radio and lights on and experienced the problem. At that time had only rich p1127 code in ecu. Had d...
June 01, 2010
1999 Jaguar XK8 4.0L Hesitation, Cuts out, no throttle response VIN: SAJGX2048X
P0121: throttle pedal position sensor switch circuit. ok jaguar techs, i need some help. i have had this car at my shop for 1 month now, trying to fix it on my own. Now i"m coming to you guys for help; car came in with a code Po121, throtlte pedal position sensor switch circuit range performance) I went to al...
June 01, 2010
1999 Jaguar XK8 4.0L Hesitation, Cuts out, no throttle response VIN: SAJGX2048X
P0121: throttle pedal position sensor switch circuit. ok jaguar techs, i need some help. i have had this car at my shop for 1 month now, trying to fix it on my own. Now i"m coming to you guys for help; car came in with a code Po121, throtlte pedal position sensor switch circuit range performance) I went to al...
June 02, 2010
1994 Ford E-350 Econoline Club Wagon XLT 5.8L Hesitation, Surge VIN: 1FBHE31H4R
... scanner up did kero test came up with 3 codes a p0121 p0172 p0452 it has a surge at idle but when you give it gas it run good but at idle in gear it surges bad
June 18, 2010