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P1507 Diagnostic Trouble Code Discussion for October 2004

Idle Control System Malfunction

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Trouble Ticket Help Requests for DTC P1507
Help Request Posted
2000 Subaru Impreza RS 2.5L Misfire VIN: JF1GC6752Y
P1507: Idle Control System Malfunction. Sorry about the engine ID. This vehicle has had a 2002 wrx 2.0 turbo motor installed. Customer stated that it ran great until a heavy rain one night. The next morning, it idled rough. Labscope shows #3 and 4 injector signals are missing at idle. They come back...
October 07, 2004
1998 Subaru Legacy Postal 2.2L Cuts out VIN: 4S3BK4958W
P1507: Idle Control System Malfunction. Help keep us from going postal! This right hand drive car intermittently starts missing on 1 or 2 cylinders, and the injection pulse is going away, originating at the ECM. The speedometer stopped working at the same time this problem started. I have searched t...
October 21, 2004