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 MANUALSISUZU1985I-MARK 2D HATCHBACK, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMFUEL INJECTION SYSTEM - DIESELADJUSTMENTSINJECTOR OPENING PRESSUREI-MARK
1985 Isuzu I-Mark 2D Hatchback, Standard
Injector Opening Pressure: I-Mark
1985 Isuzu I-Mark 2D Hatchback, StandardSECTION I-Mark
- Install injection nozzle holder assembly to nozzle tester. Adjust the nozzle opening pressure by changing pressure adjusting shim until desired pressure is obtained.
- Check nozzle opening pressure by pumping tester lever once per second. Nozzle opening pressure can be changed by change of adjusting shim thickness at the rate of 68 psi (4.8 kg/cm2 ) every thickness change of the adjusting shim by 0.0016" (0.04 mm). Nozzle opening pressure should be 1706 psi (120 kg/cm2 ).
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.