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Strategy Based Diagnostics

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform the DIAGNOSTIC SYSTEM CHECK -- ENGINE CONTROLS in Self-Diagnostics - 4.3L 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  , New Product Information  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 JACKING AND LIFTING in General Information.

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