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Home >> Hummer >> 2009 >> H3 Base, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls And Fuel - 3.7L - DTC P0324 To DTC P0446 >> DTC P0366 >> Circuit/System Testing
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Circuit/System Testing

  1. Ignition OFF, inspect the CMP sensor for correct installation.
    • If the sensor is loose, inspect the sensor and the O-ring for damage, replace as necessary.
  2. Inspect the engine for the following conditions:
    • The engine oil for debris
    • The camshaft reluctor wheel for damage
    • The timing chain, tensioner, and sprockets for wear or damage