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P0403 Diagnostic Trouble Code Discussion for December 2010

EGR Solenoid Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0403
Help Request Posted
2005 Ford Focus ZX5 2.0L MIL Lamp on VIN: 3FAFP37NX5
P0403: EVR Control Circuit Malfunction. This car came in with a P0403 stored in the computer. EGR has power and ground going to it, and even works with a bench test. None of our Scan Tools have PIDs with EGR information or tests. Once the code is cleared it comes back almost instantly. Any ideas wou...
December 15, 2010