P0121 Diagnostic Trouble Code Discussion for September 2015
Throttle Position Sensor Does Not Agree With MAP
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| Help Request | Posted | |
| 2005 Buick Rainier CXL Plus 5.3L MIL Lamp on VIN: 5GAET13M45 P0121: TP Sensor Performance. This Buick will very intermittently set these codes, puzzling that it sets rich & lean faults, customer reports no symptoms at all. Last time it was in for oil change it also had a P0101 mass airflow code, cleaned mass airflow sensor during service, had be... |
September 09, 2015 |
