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P0340 Diagnostic Trouble Code Discussion for July 2020

CMP Sensor Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0340
Help Request Posted
2007 Ford F-150 XLT 5.4L Poor Idle Quality, Stall, MIL Lamp on VIN: 1FTPW14V87
P0340: cmp circuit. Vehicle came in with rough idle and a hesitation just off idle. Performed timing chain inspection and found chains off by 1 and 2 teeth on the chains. Reset to correct timing but still had rough idle. At idle bank 1 vct is jumping around 50-60deg, energizi...
July 24, 2020