Expedition 4WD V8-4.6L SOHC VIN W (1999)
Air Flow Meter/Sensor: Service and Repair
REMOVAL
1. Disconnect the battery ground cable.
2. Open the air cleaner.
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Disconnect the mass air flow sensor extension harness connector from the wiring harness.
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Release the air cleaner clamp.
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Separate the inlet side of the Air Cleaner (ACL) from the outlet side of the air cleaner.
CAUTION: Do not tamper with the sensing elements located in the mass air flow sensor. Tampering may result in unit failure.
NOTE: The mass air flow sensor module and body are calibrated and serviced as a unit.
3. Cut the tape on the wire loom of the extension harness.
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Peel back the wire loom from the extension harness near the grommet in the air cleaner.
4. Remove the grommet from the outlet side of the air cleaner and slide the grommet down the extension harness.
