Econoline E550 V10-6.8L VIN S (2003)
Air Flow Meter/Sensor: Service Precautions
CAUTION:
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Do not tamper with the Mass Air Flow (MAF) sensing elements located in the airflow meter. Tampering may result in unit failure.
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The grommet used to seal the engine air cleaner housing at the extension harness must be fully seated. Failure to do so will result in unmetered air
entering the engine.