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Home >> GMC >> 1997 >> Forward Control 4.3 W, L35, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Controls - Basic Engine Testing - 5.7L (P Series)) >> No-Start Diagnosis >> No Start - Engine Cranks Okay >> General Inspection

General Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Ensure proper starting procedure is being used. Visually check vacuum hoses for splits, kinks and proper connections, as shown on Vehicle Emission Control Information label. Check ignition wires for cracking, hardness and proper connections at both coil pack and spark plugs.
  2. Remove spark plugs. Check and replace as necessary. In very cold temperatures, ensure oil is proper viscosity and not contaminated with gasoline.
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