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P1371 Diagnostic Trouble Code Discussion for July 2010

DI Ignition Low-Resolution Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1371
Help Request Posted
2004 Porsche 911 Carrera 4S 3.6L MIL Lamp on VIN: WPOCA29924
P1371: valve lift control check sum error. Car starts and runs ok until warm, at which point some part throttle misfiring can be felt.
July 16, 2010