P0404 - Exhaust Gas RECIRCULATION (EGR) Control Circuit Range/Performance
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.
P0404 - EXHAUST GAS RECIRCULATION (EGR) CONTROL CIRCUIT RANGE/PERFORMANCE
| Description: | The EGR valve commanded position compared to the actual position does not match within a calibrated range and time period. | |||
| Possible Causes: |
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| Diagnostic Aids: | This DTC is set when the difference between the commanded EGR valve position and actual EGR valve position is greater than 10%. Components that affect air flow and pressure in the exhaust system can affect the EGR valve position compared to the commanded position. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory | |
| All | refer to PINPOINT TEST W . | |||