OEM 2003 Ford E-250 Mass Air Flow Sensor

2003 Ford E-250 Mass Air Flow Sensor Parts Questions & Experts Answers

• Q: How to service the Mass Air Flow Sensor on 2003 Ford E-250?

  A: Service of the Air Flow Meter/Sensor begins when you remove the air cleaner assembly besides disconnecting the battery ground cable. Unlock the air cleaner through the release of its clamp followed by splitting the inlet section from the outlet section. Operation of the Mass Air Flow (MAF) sensing elements must be avoided on the airflow meter to prevent unit failure. The MAF sensor requires service together with its entire body unit. Proceed by taking out the MAF assembly after disconnecting the MAF sensor electrical connector until you free the MAF sensor from its installation on the MAF sensor plate using nuts. Reinstall by doing the opposite of removal steps while checking that the grommet which seals the engine air cleaner housing to the extension harness sits completely down to stop uncontrolled engine air entry. The inlet and outlet alignment notch guides engine air cleaner placement and you must check that wiring logistics do not confine behind the MAF sensor before putting everything back, making sure the electrical connector faces upwards.