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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 936 (Engine Controls And Fuel - 6.6L (LMM) - DTC P02E0 To DTC P154A) >> DTC P0300-P0308 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2007 GMC Sierra, 2007 GMC Cab & Chassis Sierra, 2007 Chevrolet Silverado, and 2007 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

You may operate the vehicle within the conditions that are captured in the Freeze Frame/Failure Records list.

  1. If any DTCs other than P0300-P0308 are set, diagnose those DTCs first.
  2. If only DTC P0300-P0308 are set, go to Fuel Injector Balance Test with Tech 2 .
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