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P0413 Diagnostic Trouble Code Discussion for September 2009

Secondary Air Switching Valve 'A' Circuit Open

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Trouble Ticket Help Requests for DTC P0413
Help Request Posted
2002 BMW 325Ci 2.5L MIL Lamp on VIN: WBAB533422
P0413: secondary solenoid valve circuit. customer came with check engine light with secondary air pump malfuntion code replaced pump and diverter valve. about 4 days later light was on again. scanned it found to be Po413 replaced solenoid valve and above items . Light goes out for 2-4 days then comes...
September 21, 2009