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P0121 Diagnostic Trouble Code Discussion for July 2009

Throttle Position Sensor Does Not Agree With MAP


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Trouble Ticket Help Requests for DTC P0121
Help Request Posted
2002 Ford Explorer Limited 4.6L Poor Idle Quality, high idle VIN: 1FMDU75W12
P0121: TP circuit performance problem. ... complaint of higher than normal idle speed and harsh 2-1 downshift. Started vehicle and noticed the normal flair at start-up then speed settled at aprox 1200 rpm test drove for trans complaint and could not duplicate in 5 mile test drive. pulled into shop ...
July 08, 2009
2002 Ford Explorer Limited 4.6L Poor Idle Quality, high idle VIN: 1FMDU75W12
P0121: TP circuit performance problem. ... complaint of higher than normal idle speed and harsh 2-1 downshift. Started vehicle and noticed the normal flair at start-up then speed settled at aprox 1200 rpm test drove for trans complaint and could not duplicate in 5 mile test drive. pulled into shop ...
July 09, 2009
2008 GMC Sierra 1500 WT 5.3L Poor Idle Quality, MIL Lamp on VIN: 2GTEK19JX8
P0121: tps vol. doesnt agree with maf. check eng. light on p0121 p0506 idle goes up and down sometimes too low eng. hesitates i did replaced throttle body, and clear codes run good for five minutes until i step on the gas rpm goes up but it won't come down until you shut off the eng. or put it on ...
July 16, 2009
2002 Volkswagen Cabrio GLX 2.0L MIL Lamp on VIN: 3VWDC21V92
P0121: tps. i have this 02 vw cabrio that has code p0121 that sets within 5 minutes i checked the tps voltage at throttle control module and it was good then i checked the tps voltage at the ecm and it was there also 4.2v koeo at idle and .7v at wot which is normal i have...
July 26, 2009
2002 Ford Explorer Limited 4.6L Poor Idle Quality, high idle VIN: 1FMDU75W12
P0121: TP circuit performance problem. ... complaint of higher than normal idle speed and harsh 2-1 downshift. Started vehicle and noticed the normal flair at start-up then speed settled at aprox 1200 rpm test drove for trans complaint and could not duplicate in 5 mile test drive. pulled into shop ...
July 08, 2009
2002 Ford Explorer Limited 4.6L Poor Idle Quality, high idle VIN: 1FMDU75W12
P0121: TP circuit performance problem. ... complaint of higher than normal idle speed and harsh 2-1 downshift. Started vehicle and noticed the normal flair at start-up then speed settled at aprox 1200 rpm test drove for trans complaint and could not duplicate in 5 mile test drive. pulled into shop ...
July 09, 2009
2008 GMC Sierra 1500 WT 5.3L Poor Idle Quality, MIL Lamp on VIN: 2GTEK19JX8
P0121: tps vol. doesnt agree with maf. check eng. light on p0121 p0506 idle goes up and down sometimes too low eng. hesitates i did replaced throttle body, and clear codes run good for five minutes until i step on the gas rpm goes up but it won't come down until you shut off the eng. or put it on ...
July 16, 2009
2002 Volkswagen Cabrio GLX 2.0L MIL Lamp on VIN: 3VWDC21V92
P0121: tps. i have this 02 vw cabrio that has code p0121 that sets within 5 minutes i checked the tps voltage at throttle control module and it was good then i checked the tps voltage at the ecm and it was there also 4.2v koeo at idle and .7v at wot which is normal i have...
July 26, 2009