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P0337 Diagnostic Trouble Code Discussion for February 2010

CKP Sensor Circuit Low Duty Cycle

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Trouble Ticket Help Requests for DTC P0337
Help Request Posted
2001 GMC C-Series Topkick C6H042 8.1L MIL Lamp on VIN: 1GDK7H1E11
P0337: knock sensor 1 circuit low. These sensors are available from dealer only and cost about 175 bucks ea. and they dont have same part number . Please help . Thank you .
February 03, 2010