Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1983CUTAWAY P30, 6.2 J, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMFUEL INJECTION SYSTEM - DIESELTESTINGINJECTION NOZZLETEST PREPARATION
1983 Chevrolet Cutaway P30, 6.2 J, Standard
Test Preparation
1983 Chevrolet Cutaway P30, 6.2 J, StandardSECTION Test Preparation
- 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.
- 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
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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.