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 PERFORMANCESYSTEMEGR FUNCTION TESTING - GASOLINECOMPONENT TESTINGBACK PRESSURE TRANSDUCERIMPULSE
1985 Isuzu I-Mark 2D Hatchback, Standard
Back Pressure Transducer: Impulse
1985 Isuzu I-Mark 2D Hatchback, StandardSECTION Impulse
Disconnect back pressure transducer hoses. Blow air into Black colored hose on valve. Check that air passes through valve (closed valve) by blowing air into EGR side of valve. Air should travel to opposite side of valve.
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.