How to clean the MAF (Mass Airflow Sensor)
Author: lkinley
Applicable to: All vehicles
Added: 02/24/2003
Updated: 02/24/2003
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In order to clean the sensor wires, you must remove the MAF from the car. Once removed, spray some electrical contact cleaner or non-chlorinated brake cleaner (something that leaves NO residue) through the sampling tube over the wires.
The MAF should be clean inside. If not, you have a leak that is letting air in that isn't being filtered. The wires may or may not look slightly off color. They can become oxidized over time, which can affect readings. Excess oil from a K&N or other open element filter that has been over-oiled can foul the wires, as well.
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