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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 92 (Engine Controls - Self-Diagnostics - 6.6L Diesel) >> Diagnostic Tests >> DTC P0340: CMP Sensor Circuit Performance >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers in the diagnostic procedures.

  1. 2

    If the engine starts and runs, the condition is suspected to be intermittent. If there is a condition with the CMP sensor circuit the vehicle will not run.

  2. 6

    This step determines if the CMP sensor is working correctly.

  3. 13

    Inspect the CMP sensor for physical damage. The camshaft may damage the sensor.
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