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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 68 (Engine Control System & Fuel System - 3.6L - DTC P0335 To DTC P2097) >> DTC P0335, P0336, or P0338 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, clear the diagnostic trouble code (DTC) information with a scan tool. Attempt to start the engine, observe the scan tool DTC information. DTC P0335, P0336, or P0338 should not set.
  2. Move related harnesses/connectors of the CKP sensor and verify the engine does not stumble, stall, or change engine speed.
  3. Operate the vehicle within the conditions for running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that are captured in the Freeze Frame/Failure Records Data List.
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