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P0403 Diagnostic Trouble Code Discussion for April 2008

EGR Solenoid Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0403
Help Request Posted
1998 Mitsubishi Eclipse GS 2.0L MIL Lamp on VIN: 4A3AK44Y5W
P0403: EGR Vacuum Regulator Solenoid Circuit Malfunction. Came in with this code and we ordered an EGR kit from Mitsubishi (it is a Chrysler part) and installed. Still had code. Mitchell says to remove ECM plug and turn on ignition and if you have 12 volts at the #40 (red/blue) wire, the ECM is bad. So we got an ECM ...
April 11, 2008