P0471 - Exhaust Pressure Sensor A Circuit Range/Performance
WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
P0471 - EXHAUST PRESSURE SENSOR A CIRCUIT RANGE/PERFORMANCE
| Description: Exhaust pressure (EP) sensor input to the powertrain control module (PCM) is monitored and is not within the 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 . | ||