How To Clean A Mass Airflow Sensor 2000 Passat

How to Clean a Mass Airflow Sensor

by Dan Ferrell

Photo courtesy of Jeff3205 at Wikipedia.org.

A dirty mass airflow (MAF) sensor has a direct impact on engine functioning and fuel efficiency. Contamination of the sensor keeps the sensor from telling your car computer the amount of air entering the intake arrangement. Consequently, your engine's computer is unable to decide the proper amount of air and fuel at any given time. However, you tin ready the problem by following this guide to go your MAF sensor dorsum in operating condition in a few minutes.

Step 1

Move your car to a secure flat area. Lift the hood and disconnect the black, negative battery cable.

Pace 2

Find the mass airflow sensor on the air cleaner assembly. You lot should see a wire connector coming out of the back of the sensor, shut to the air filter box. Unplug the sensor electrical connector by pressing the lock tab and split the connector from the harness. Then remove the 2 mounting screws holding the MAF sensor to the air cleaner assembly.

Step iii

Remove the air cleaner associates if you are unable to pull the sensor free from the associates. Y'all may need to remove the clamps and mounting screws that connect the system to the engine and engine compartment depending on your particular vehicle model. Utilize a screwdriver or ratchet and socket.

Step iv

Separate the sensor from the air cleaner assembly.

Step 5

Place the sensor on a clean store towel. Use electronic parts cleaner or Mass Air Flow sensor cleaner to spray the sensing elements and use a soft brush to remove dirt and other contaminants until the sensor is completely clean. Exist very careful not to harm the MAF sensing elements. Let it air dry for a few minutes.

Install the sensor on the air cleaner assembly and install the associates. Plug the MAF sensor electric connector and connect the black, negative battery cable.

Tips

• To identify or locate components, consult your owner's transmission or vehicle service manual. You can buy one at nigh auto parts stores or consult 1 for free at nearly public libraries. You tin can buy electrical component cleaner at whatever electronic parts stores. Nigh auto parts stores carry mass airflow sensor cleaner as well.

Things You'll Need

• Standard screwdriver Phillips screwdriver Ratchet and socket gear up Electrical component cleaner or MAF sensor cleaner

Writer Bio

Since 2003 Dan Ferrell has contributed general and consumer-oriented news to television and the Spider web. His piece of work has appeared in Texas, New Mexico and Miami and on various websites. Ferrell is a certified automation and control technician from the Advanced Engineering Middle in El Paso, Texas.

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