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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1046 (Engine Controls And Fuel - 6.6L - DTC P0016 To DTC P02E0) >> DTC P029D, P02A1, P02A5, P02A9, P02AD, P02B1, P02B5, or P02B9 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start the engine and turn OFF all accessories.
  2. Operate the vehicle within the Conditions for Running the DTC.
  3. Turn OFF the engine for 60 seconds or until the ECM is powered OFF.
  4. Start the engine.
  5. With a scan tool, Command the Balance Rate Monitor ON. Balance rates should be between +4 mm3 and -6.9 mm3 in Park or Neutral.
    • If any of the balance rates are less than -7 mm, replace the injectors for that cylinder.
  6. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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