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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 3 (Engine Controls - Basic Testing) >> A-3, No-Start Diagnosis >> No Start - Engine Cranks Okay (Except 3.8L With C(3)I) >> General Inspection

General Inspection

WARNING: This page does not describe the selected car, but rather 35 other vehicles, including the 1992 Pontiac Trans Sport, 1992 Oldsmobile Silhouette, 1992 Oldsmobile Bravada, 1992 GMC Yukon, and 1992 GMC Vandura Special. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ensure proper starting procedure is being used.
  2. Visually check vacuum hoses for splits, kinks and improper connections. See underhood emission control information label. Check ignition wires for cracking, hardness and improper connections at both distributor cap and spark plugs.
  3. Remove spark plugs. Check and replace as necessary.
  4. Remove distributor cap and check for moisture, dust, cracks, burns and arcing to ground through coil mounting screws or rotor.
  5. Try to turn distributor shaft by hand. Drive gear pin may be broken.
  6. If vehicle has been exposed to very cold temperatures, ensure oil is proper viscosity and not contaminated with gasoline.
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