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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Control System & Fuel System - 1.8L (Lay) - DTC P0010 To DTC P0420) >> DTC P0335 or P0339 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
    IMPORTANT: If you were sent here from Engine Cranks but Does Not Run, proceed to Circuit/System Testing.
  1. Attempt to start the engine, observe the DTC information with a scan tool. DTC P0335 and P0339 should not set.
  2. Engine cranking, observe the scan tool Engine Speed parameter. The reading should indicate a steady 200-300 RPM while cranking.
  3. Move related harnesses/connectors of the CKP sensor and verify the engine does not stumble, stall, or change engine speed.
  4. 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 you observed from the Freeze Frame/Failure Records data.
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