P0471 - Exhaust Pressure Sensor A Circuit Range/Performance
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2007 Ford RV Cutaway, 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Econoline. 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. | |||
| Possible Causes: |
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| Diagnostic Aids: | VREF voltage should be between 4.0 and 6.0 volts. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory | |
| All | refer to PINPOINT TEST X . | |||