P0121 Diagnostic Trouble Code Discussion for January 2004
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 | |
| 1998 Chevrolet Astro 4.3L Misfire, MIL Lamp on VIN: 1GNDM19W7W P0121: TP Sensor Performance. This van came in with customer complaining of check engine light on and running rough. I checked the codes and found a PO121 throttle position sensor code so I replaced the TPS and cleared the codes and test drove it and it ran great so I let it go. About a we... |
January 05, 2004 | |
| 1998 Chevrolet Astro 4.3L Misfire, MIL Lamp on VIN: 1GNDM19W7W P0121: TP Sensor Performance. This van came in with customer complaining of check engine light on and running rough. I checked the codes and found a PO121 throttle position sensor code so I replaced the TPS and cleared the codes and test drove it and it ran great so I let it go. About a we... |
January 08, 2004 | |
| 2000 Chevrolet Astro 4.3L MIL Lamp on VIN: 1GNDM19W3Y P0121: TP Sensor Performance. failure #1 tps=21% maf=28.17 map=50 mph=64 rpm=1808 load=17% failure #2 tps=18% maf=23.99 map=49 mph=55 rpm=1575 load=14% code sets very intermittently. has anyone seen this before i don't want to guess at it but i was wondering if induction cleanin... |
January 23, 2004 | |
| 2000 Chevrolet Astro 4.3L MIL Lamp on VIN: 1GNDM19W3Y P0121: TP Sensor Performance. failure #1 tps=21% maf=28.17 map=50 mph=64 rpm=1808 load=17% failure #2 tps=18% maf=23.99 map=49 mph=55 rpm=1575 load=14% code sets very intermittently. has anyone seen this before i don't want to guess at it but i was wondering if induction cleanin... |
January 27, 2004 |
