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Fault Code | Reason | Cause | Will this product solve this error code? | |
P0401 | EGR Flow Insufficient Detected | This code will come up with a blanking plate or the EGR is stuck closed. | Yes | |
Mechanical fault. | ||||
P0402 | EGR Flow Excessive Detected | The EGR valve is stuck open or is jamming (due to carbon build up or possibly a bent shaft). | Yes | |
Mechanical fault. | ||||
P0403 | EGR Circuit Malfunction | Electronic fault | No | |
P0404 | Exhaust Gas Recirculation Circuit Range/Performance | Electronic fault | No | |
P0405 | EGR Sensor A Circuit Low | Electronic fault | No | |
P0406 | EGR Sensor A Circuit High | Electronic fault | No | |
P0407 | EGR Sensor B Circuit Low | Electronic fault | No | |
P0408 | EGR Sensor B Circuit High | Electronic fault | No | |
P1404 | IAT - B Circuit Malfunction/ EGR Closed Position Performance | Electronic fault | No | |
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