volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Air Flow Sensor Potentiometer, Checking and Adjusting|Page 1267 > < Air Flow Sensor Potentiometer, Checking and Adjusting
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adjust U2 voltage using trim screw (arrow)

try to obtain a nominal voltage with the shaded area of the chart

If an acceptable adjustment is not possible

replace air flow sensor assembly

Cover trim screw with a dab of silicon adhesive sealing compound

Air Flow Sensor Potentiometer, Checking and Adjusting|Page 1267 > < Air Flow Sensor Potentiometer, Checking and Adjusting