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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Engine Mechanical >> Engine Mechanical - 4.3L >> Diagnostic Information and Procedures >> Symptoms - Engine Mechanical >> Strategy Based Diagnostics

Strategy Based Diagnostics

  1. Perform the DIAGNOSTIC SYSTEM CHECK - ENGINE CONTROLS in Engine Performance 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  , and NEW PRODUCT INFORMATION  in Engine Unit Repair Manual and to 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 problem. 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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