Test Preparation

1983 Chevrolet Cutaway P30, 6.2 J, StandardSECTION Test Preparation
  1. Remove injection nozzle from engine. Clean carbon from tip area of nozzle with soft brass brush. DO NOT  use steel brush or motorized brush to clean nozzle tip. Damage to nozzle tip may result.
  2. Connect nozzle assembly to injection nozzle tester. Close tester shut off valve to pressure gauge. Fill tester with test fluid. Fill and flush nozzle assembly with test oil by operating tester lever briskly and repeatedly. This purges air from nozzle and coats all parts with test fluid.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.