F 150 Heritage 4WD Pickup V6-4.2L VIN 2 (2004)
5. Remove the MAF sensor plate and mass air flow sensor from the outlet side of the engine air cleaner.
6. Disconnect the MAF sensor electrical connector.
7. Remove the nuts and separate the MAF plate from the mass air flow sensor.
INSTALLATION
1. CAUTION: 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.
NOTE:
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The MAF sensor module and body are calibrated and replaced as a unit.
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Use the alignment notch to properly align the inlet side and the outlet side of the engine air cleaner.
To install, reverse the removal procedure.
