Join Now
International Automotive Technicians Network

P0121 Diagnostic Trouble Code Discussion for November 2006

Throttle Position Sensor Does Not Agree With MAP


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0121
Help Request Posted
2002 Nissan Sentra CA 1.8L Poor Idle Quality, Surge, MIL Lamp on VIN: 3N1CB51D82
P0121: tps. ... and a complaint that it hesitates and idles high, and the check engine light on. I replaced the battery and checked the codes which were P0510 (closed tp switch), and P0732 (gear 2 incorrect ratio). I replaced the combination TPS and closed throttle switch...
November 07, 2006
2002 Nissan Sentra CA 1.8L Poor Idle Quality, Surge, MIL Lamp on VIN: 3N1CB51D82
P0121: tps. ... and a complaint that it hesitates and idles high, and the check engine light on. I replaced the battery and checked the codes which were P0510 (closed tp switch), and P0732 (gear 2 incorrect ratio). I replaced the combination TPS and closed throttle switch...
November 08, 2006
1999 Chevrolet Express 3500 5.7L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GCHG35R9X
P0121: TP Sensor Performance. The check engine light just came on prior to the running problem which is it stalls out, runs rough or the vehicle will all of a sudden idle at 3000 rpm. When you step on the throttle she will pop back slightly and bog down. MAP checks out at 2.7 to 3.7 volts ...
November 14, 2006
2001 Volkswagen Cabrio GLS 2.0L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 3VWCC21V81
P0121: Throtthle Position sensor. Vehicle came in on tow truck stall while driving and no start ce light on . checked had very weak spark from wires, but good from coil. Noticed new coil and plugs.replaced plugs cap rotor, air and fuel filt. wires tested ok. vehicle was very hard to start afte...
November 15, 2006
2002 Nissan Sentra CA 1.8L Poor Idle Quality, Surge, MIL Lamp on VIN: 3N1CB51D82
P0121: tps. ... and a complaint that it hesitates and idles high, and the check engine light on. I replaced the battery and checked the codes which were P0510 (closed tp switch), and P0732 (gear 2 incorrect ratio). I replaced the combination TPS and closed throttle switch...
November 07, 2006
2002 Nissan Sentra CA 1.8L Poor Idle Quality, Surge, MIL Lamp on VIN: 3N1CB51D82
P0121: tps. ... and a complaint that it hesitates and idles high, and the check engine light on. I replaced the battery and checked the codes which were P0510 (closed tp switch), and P0732 (gear 2 incorrect ratio). I replaced the combination TPS and closed throttle switch...
November 08, 2006
1999 Chevrolet Express 3500 5.7L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GCHG35R9X
P0121: TP Sensor Performance. The check engine light just came on prior to the running problem which is it stalls out, runs rough or the vehicle will all of a sudden idle at 3000 rpm. When you step on the throttle she will pop back slightly and bog down. MAP checks out at 2.7 to 3.7 volts ...
November 14, 2006
2001 Volkswagen Cabrio GLS 2.0L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 3VWCC21V81
P0121: Throtthle Position sensor. Vehicle came in on tow truck stall while driving and no start ce light on . checked had very weak spark from wires, but good from coil. Noticed new coil and plugs.replaced plugs cap rotor, air and fuel filt. wires tested ok. vehicle was very hard to start afte...
November 15, 2006