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Home >> Chevrolet >> 1990 >> Forward Control 3.9 L >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> No-Start - Engine Cranks Okay (TBI With HEI) >> General Inspection
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General Inspection

  1. Ensure proper starting procedure is being used.
  2. Visually check vacuum hoses for splits, kinks and proper connections, as shown on underhood emission control information label. Check ignition wires for cracking, hardness and proper 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. In very cold temperatures, ensure oil is proper viscosity and not contaminated with gasoline.
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