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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 385 (Engine Controls Self-Diagnostics) >> Diagnostic Tests >> DTC P0336: Crankshaft Position Sensor Circuit Performance >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. 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. 3

    This step inspects for Electromagnetic Interference (EMI) on the CKP sensor circuits.

  2. 6

    Vertical lines across the face of the sensor could indicate foreign material passing between the CKP sensor and the reluctor wheel. Non-vertical lines across the face of the sensor may indicate a crack in the CKP sensor. Either of these conditions causes this DTC to set.

  3. 7

    Damage to the reluctor wheel would affect the CKP sensor output.

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