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P0121 Diagnostic Trouble Code Discussion for December 2010

Throttle Position Sensor Does Not Agree With MAP


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Trouble Ticket Help Requests for DTC P0121
Help Request Posted
2008 Chevrolet Silverado 2500 HD LT 6.0L Fast idle VIN: 1GCHK23K18
P0121: Tpsensor or app sensor. Vechicle is from a car lot , came in with ses light on , had codes,121,2270. Cleared them and 690, 2119, caame back . Cleaned throttle body, then has fast idle. We scoped the tps's (both) found seconary to have a bad gliych. Replaced throttle body with a new g...
December 02, 2010
2004 Porsche Cayenne 3.2L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: WP1AA29P94
P0121: throttle pedal positon. ... chatter and engine pops trough the intake.I pulled codes: P2135, P0121, P2179, P2177, P0336. Next I smoke tested the intake and found no vacuum leaks. I t...
December 07, 2010
2004 Porsche Cayenne 3.2L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: WP1AA29P94
P0121: throttle pedal positon. ... chatter and engine pops trough the intake.I pulled codes: P2135, P0121, P2179, P2177, P0336. Next I smoke tested the intake and found no vacuum leaks. I t...
December 08, 2010
2007 Chevrolet Equinox LS 3.4L Reduced power VIN: 2LNDL13F77
P0121: TP Sensor 1 Performance. ... throws dtc p0121 and p2135 goes to reduced power mode. Cleaned throttle body and replace air filter clean maf clear dtc ,returned to customer.car returned with same problem.what can i look for on this particular vehical that would give me a clue to fix.loo...
December 13, 2010
2006 Chevrolet Impala LS 3.5L reduced power VIN: 2G1WB55K76
P0121: TP Sensor 1 Signal Circuit Malfunction. ... Every couple days, while on the interstate, "reduced power" comes on. It will accel some but very sluggish. We could not duplicate so we cleaned t-plate and cleared codes. 4 days later, car returns with only p2135 (correlation code) The other code-...
December 14, 2010
2002 Kia Spectra 1.8L Stall
P0121: Throttle Position Sensor Performance. ... this 2002 spectra. it had no codes and we couldnt duplicate the stall and no customer info as usual. vehicle was in for maintenance (100k miles) and we did plugs, wires, new battery teminals, tbelt, and w/pump. after maintenance repairs the 3-4 mile test d...
December 21, 2010
2007 Volkswagen Jetta 2.0T 2.0L MIL Lamp on VIN: 3VWKJ171K7
P0121: tps impausable signal. We have very little repair information on this vehicle, but this is a very good customer and we dont want to send him down the road. The vehicle is loosing power when driving, it seems to be going into some sort of limping mode. The codes that were scaned are ...
December 21, 2010
2008 Chevrolet Silverado 2500 HD LT 6.0L Fast idle VIN: 1GCHK23K18
P0121: Tpsensor or app sensor. Vechicle is from a car lot , came in with ses light on , had codes,121,2270. Cleared them and 690, 2119, caame back . Cleaned throttle body, then has fast idle. We scoped the tps's (both) found seconary to have a bad gliych. Replaced throttle body with a new g...
December 02, 2010
2004 Porsche Cayenne 3.2L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: WP1AA29P94
P0121: throttle pedal positon. ... chatter and engine pops trough the intake.I pulled codes: P2135, P0121, P2179, P2177, P0336. Next I smoke tested the intake and found no vacuum leaks. I t...
December 07, 2010
2004 Porsche Cayenne 3.2L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: WP1AA29P94
P0121: throttle pedal positon. ... chatter and engine pops trough the intake.I pulled codes: P2135, P0121, P2179, P2177, P0336. Next I smoke tested the intake and found no vacuum leaks. I t...
December 08, 2010
2007 Chevrolet Equinox LS 3.4L Reduced power VIN: 2LNDL13F77
P0121: TP Sensor 1 Performance. ... throws dtc p0121 and p2135 goes to reduced power mode. Cleaned throttle body and replace air filter clean maf clear dtc ,returned to customer.car returned with same problem.what can i look for on this particular vehical that would give me a clue to fix.loo...
December 13, 2010
2006 Chevrolet Impala LS 3.5L reduced power VIN: 2G1WB55K76
P0121: TP Sensor 1 Signal Circuit Malfunction. ... Every couple days, while on the interstate, "reduced power" comes on. It will accel some but very sluggish. We could not duplicate so we cleaned t-plate and cleared codes. 4 days later, car returns with only p2135 (correlation code) The other code-...
December 14, 2010
2002 Kia Spectra 1.8L Stall
P0121: Throttle Position Sensor Performance. ... this 2002 spectra. it had no codes and we couldnt duplicate the stall and no customer info as usual. vehicle was in for maintenance (100k miles) and we did plugs, wires, new battery teminals, tbelt, and w/pump. after maintenance repairs the 3-4 mile test d...
December 21, 2010
2007 Volkswagen Jetta 2.0T 2.0L MIL Lamp on VIN: 3VWKJ171K7
P0121: tps impausable signal. We have very little repair information on this vehicle, but this is a very good customer and we dont want to send him down the road. The vehicle is loosing power when driving, it seems to be going into some sort of limping mode. The codes that were scaned are ...
December 21, 2010