Passport 2WD L4-2559cc 26L SOHC (4ZE1) (1994) Air Flow Meter/Sensor Component Diagrams
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Air Flow Meter/Sensor: Testing and Inspection
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Uncover the rubber boot on the Mass Air Flow Sensor side of the harness connector.
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When A. and C. are abnormal, check circuit and correct as necessary.
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When A. and C. are normal but B is abnormal, replace Mass Air Flow Sensor.
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When circuit is found to be at fault, correct or replace applicable harness assembly.
