P0406 - Exhaust Gas RECIRCULATION (EGR) Sensor A Circuit High
WARNING: This page is about a different car, the 2008 Ford Pickup, 2008 Ford F550 Super Duty, 2008 Ford F450 Super Duty, and 2008 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
P0406 - EXHAUST GAS RECIRCULATION (EGR) SENSOR A CIRCUIT HIGH
| Description: | The powertrain control module (PCM) continuously monitors the EGR valve position circuits for opens and shorts. | |||
| Possible Causes: |
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| Diagnostic Aids: | When the EGRVP voltage is above the specified voltage, an increment counter advances until the DTC is set. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory | |
| All | refer to PINPOINT TEST W . | |||