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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1658 (Engine Control System & Fuel System - 6.6L (LMM) - Troubleshooting And Diagnosis) >> Engine Cranks But Does Not Run >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: This diagnostic assumes the cranking speed is within specifications.
  1. If DTCs P0090, P0191, P0193, P0335, P0336, P0340, P0602, P0603, P0604, P0606, P0642, P0643, P064C, P0698, P0699, P2510 are set diagnose those DTCs first.
  2. The engine starts and runs.
    • If the engine does not start and run perform the Circuit/System Testing.
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