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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Mechanical - 4.3L) >> Diagnostic Information and Procedures >> Symptoms - Engine Mechanical >> Strategy Based Diagnostics

Strategy Based Diagnostics

WARNING: This page is about a different variant/trim than selected.
  1. Perform the Diagnostic System Check - Vehicle in Vehicle DTC Information 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 , 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 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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