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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 834 (Engine Mechanical - 4.8L, 5.3L & 6.0L) >> 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 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform the DIAGNOSTIC SYSTEM CHECK - ENGINE CONTROLS in Engine Controls -4.8L, 5.3L, and 6.0L before using the symptom tables, if applicable.
  2. Review the system operations in order to familiarize yourself with the system functions. Refer to DISASSEMBLED VIEWS  , Engine Component Description  , Lubrication Description  on page , New Product Information  , and Drive Belt 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 in General Information.

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