DTC P1121: Throttle Position Sensor A Inconsistent With MAF/Map Sensor
P1121 - THROTTLE POSITION SENSOR A INCONSISTENT WITH MAF/MAP SENSOR
| Description: This DTC sets when the PCM detects an air leak that exceeds a calibrated limit for greater than 5 seconds. If the airflow entering the engine exceeds the airflow through the throttle, a leak is detected and this diagnostic fails. | |||
Possible Causes:
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| Diagnostic Aids: Verify the integrity of the PCV system. Refer to POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM for system information. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST HG . | ||