Detroit DD13 EPA07 (2007-09) Fault Code: SPN 636 FMI 31 (MCM) Crankshaft Position Sensor – Error Detected

DESCRIPTION:Crankshaft position sensor failure.

MONITORED PARAMETER:Crankshaft position sensor.

TYPICAL ENABLING CONDITIONS:Engine idle

MONITOR SEQUENCE:None

EXECUTION FREQUENCY:Continuous when enabling conditions met.

TYPICAL DURATION:2 seconds

DASH LAMPS:MIL

VERIFICATION:Engine idle

NOTE: If code 723-3, 723-4, 636-3, or 636-4 active fix those first.

PROBABLE CAUSES:1. Verify proper camshaft timing and gear lash adjustment.2. Camshaft position sensor failure.3. Camshaft position sensor harness/connector.

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