Express 1/2 Ton Van V8-305 5.0L VIN M SFI (1998)
Camshaft Position Sensor: Testing and Inspection
Camshaft Position (CMP) Sensor
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The scan tool scan tool will display camshaft position sensor data as a 0 and 1 as the sensor pulses, the scan data will switch from 0 to 1. All
camshaft position sensor data should be checked at idle. An error in the camshaft position sensor circuit should set a Diagnostic Trouble Code
(DTC) P0340. Refer to DTC P0340 CMP Sensor Circuit. See: Testing and Inspection
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The camshaft position sensor sends a signal to the VCM which uses it as a sync pulse to trigger the injectors in proper sequence.