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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 376 (ENGINE CONTROLS - SELF-DIAGNOSTICS - 4.8L, 5.3L & 6.0L - Flex Fuel & Gasoline) >> Diagnostic Tests >> DTC P0335: Crankshaft Position Sensor Circuit >> Test Description

Test Description

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

  1. 3

    This step determines if the fault is present.

  2. 6

    This step simulates a CKP sensor signal to the PCM. If the PCM receives the signal, the fuel pump will operate for about 2 seconds.

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