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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 793 (Engine Controls And Fuel - 2.0L - DTC P0243 To DTC P0700) >> DTC P0335, P0336, or P0338 >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: You must perform the Circuit/System Testing before proceeding with Component Testing.
  1. Remove the CKP sensor and inspect the sensor and the O-ring for damage.
    • If the sensor is loose, incorrectly installed, or damaged, replace the CKP sensor.
  2. Connect the connector to the CKP sensor.
  3. Ignition ON, engine OFF, observe the CKP Active Counter while passing a steel object by the tip of the sensor repeatedly. The CKP Active Counter should increment.
    • If the CKP Active Counter does not increment, replace the CKP sensor.
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