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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 152 (Engine Mechanical - 4.8L, 5.3L, 6.0L And 6.2L (1 Of 5)) >> Diagnostic Information and Procedures >> Symptoms - Engine Mechanical >> Strategy Based Diagnostics

Strategy Based Diagnostics

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. 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 LC9/LY5/LMG)  or Lubrication Description (RPO LY6)  or Lubrication Description (RPO L76)  or Lubrication Description (RPO L92) , 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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