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Home >> Cadillac >> 2010 >> STS 3.6 V, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Engine Controls And Fuel - 4.6L (LH2) - DTC P0335 To DTC P2544) >> DTC P0341, P0346, P0366, or P0391 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different variant/trim than selected.
  1. Ignition OFF, inspect the CMP sensor for correct installation.
    • If the CMP sensor is loose, inspect the sensor and the O-ring for damage, replace as necessary.
  2. Inspect the engine for the following conditions:
    • Engine oil for debris
    • Camshaft reluctor wheel for damage
    • The timing chain, tensioner and sprockets for wear or damage
    • If debris is found in the engine oil, inspect the internal engine components to determine the root cause. Repair or replace any worn or damaged components.
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