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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1393 (Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L (1 Of 5)) >> Diagnostic Information and Procedures >> Symptoms - Engine Mechanical >> Strategy Based Diagnostics

Strategy Based Diagnostics

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform the Diagnostic System Check - Vehicle before using the symptom tables.
  2. Review the system operations in order to familiarize yourself with the system functions. Refer to Disassembled Views , Engine Content Specifications , Engine Component Description , Lubrication Description (RPO LY2)  or Lubrication Description (RPO LH6/LMG/LY5/LC9)  or Lubrication Description (RPO LY6/L9H)  or Lubrication Description (RPO L76) , Camshaft Position Actuator and Solenoid Valve Description , and Cylinder Deactivation (Active Fuel Management) System Description .

All diagnosis on a vehicle should follow a logical process. Strategy based diagnostics is a uniform approach for repairing all systems. The diagnostic flow may always be used in order to resolve a system condition. The diagnostic flow is the place to start when repairs are necessary. For a detailed explanation, refer to Strategy Based Diagnosis .

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