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Home >> Volkswagen >> 1991 >> Passat L4-1984cc 2.0L DOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Air Flow Meter/Sensor >> Locations >> CO Adjustment Screw
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CO Adjustment Screw

CIS-E CO Adjustment Screw:





The CO Adjustment Screw is located between the air flow sensor and the fuel distributor. It can only be reached and adjusted after removing the anti-tampering plug in the top of the air flow sensor housing.
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