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Home >> GMC >> 1983 >> Magnavan 6.2 J, 475/M40 >> Repair and Diagnosis >> Engine Performance >> System >> Pulse Air Injection System >> Trouble Shooting >> Poor DRIVEABILITY
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Poor DRIVEABILITY

Rubber hose deteriorated. Hose particles entering carburetor causing poor driveability. Clean carburetor, and remove particles from plenum chambers and connecting pipe.

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