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Home >> Isuzu >> 1985 >> I-Mark 2D Hatchback, Automatic >> Repair and Diagnosis >> Engine Performance >> Emissions >> EGR Function Testing - ISUZU >> EGR Function Testing - ISUZU >> Test 1 >> Backpressure Transducer
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Backpressure Transducer

Remove hose from exhaust fitting at backpressure transducer. Blow into fitting and ensure transducer holds pressure.