P0471 - Exhaust Pressure Sensor A Circuit Range/Performance
DTC DESCRIPTION P0471 - EXHAUST PRESSURE SENSOR A CIRCUIT RANGE/PERFORMANCE
| Description: This DTC sets when the exhaust pressure (EP) sensor signal is not within a calibrated value. The EP sensor reading should be greater than the barometric pressure (BARO) sensor reading by a calibrated threshold while the engine is running. | |||
Possible Causes:
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| Diagnostic Aids: Make sure the EP sensor is installed correctly and the EP tube is not restricted. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST X . | ||