2012 nissan maxima mass air flow sensor problems

Unplug the electrical connector from your Nissan mass airflow sensor.The Nissan MAF sensor is located next to the engine air filter housing, typically on the driver’s side. Locate a mass airflow sensor in the engine bay. Pull the hood release under the dashboard and open the hood of your Nissan.

Check out the What This Fits tab for more details. If you need to replace your old Mass Air Flow Sensor, ensure you get the right part with a genuine Mass Air Flow Sensor from Nissan Parts. They'll use a specialized mass air flow sensor cleaner to get rid of grim, debris, or dirt that has collected on the sensor. If you get a professional inspection for air flow sensor issues, your Nissan technician may be able to fix the sensor's issue by cleaning the sensor as opposed to replacing it. Replacing an old or worn out Mass Air Flow Sensor is difficult and should be left to a professional. Don't own a scanner? Get assistance at your nearest Nissan service center.

Connect an OBD-II scanner to the on-board computer in your Nissan to see if the scanner returns a Mass Air Flow Sensor error code. Since an old Mass Air Flow Sensor can affect engine performance, it may trigger your Nissan's check engine light. If the engine is running lean, your Nissan might have trouble starting, or you may notice decreased performance or backfires when decelerating. If the Mass Air Flow Sensor is worn out or damaged, it may cause your engine to run lean, meaning there is too much air or not enough fuel in the air-to-fuel ratio. Your Nissan's computer takes in the information that the Mass Air Flow Sensor gathers and determines the amount of fuel that's necessary to maintain the correct ratio of fuel to air. The Mass Air Flow Sensor is positioned between the engine's air filter and intake manifold and measures the amount of air that enters the engine through the engine air filter. The Mass Air Flow Sensor on your Nissan performs an essential function in the electronic fuel injection system. Plays a vital role in your electronic fuel injection system.

2012 nissan maxima mass air flow sensor problems