P0121 Diagnostic Trouble Code Discussion for July 2009
Throttle Position Sensor Does Not Agree With MAP
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| 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 |
