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Home >> Oldsmobile >> 1989 >> Custom Cruiser >> Repair and Diagnosis >> Engine Performance >> System >> Air Injection System >> Trouble Shooting >> Poor Gas Mileage
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Poor Gas Mileage

Check air pump output not shifting to catalytic converter upon signal from TVS and/or faulty electrical and/or vacuum circuits.

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