Nissan's mass airflow sensor sends a voltage to the powertrain control module (PCM). Allow the MAF sensor to dry and reinstall.
Spray 8 to 12 spurts of MAF sensor cleaner on the exposed plate. Remove the two screws that hold the MAF sensor secure and remove the MAF sensor. Unplug the mass airflow sensor electrical connector. Locate the MAF sensor next to the engine air filter housing. Pull the hood release and open the hood. How to Clean Nissan MAF SensorĬleaning the MAF sensor on a Nissan is easy and takes less than ten minutes. If your check engine light is still on, use an OBD2 scanner to clear any stored codes in the ECU. Your ECU uses the mass airflow sensor input to determine the fuel ratio that the injectors need to deliver to the engine. A defective Nissan Quest mass airflow sensor could make your car difficult to start. Plug the electrical connector until it locks in place. Tighten the screws so that they are secure and tight. 
Watch the following video on how to remove the air filter box to access the MAF sensor. Unplug the electrical connector from your Nissan mass airflow sensor. Nissan MAF sensor is located right next to the engine air filter housing, typically on the driver's side. Locate a mass airflow sensor in the engine bay. Your browser does not support the video tag. Pull the hood release under the dashboard and open the hood of your Nissan. Replacing the MAF sensor on a Nissan vehicle is very easy. Write down these codes research them to find out what each code means. 
Dirty, obstructed, or faulty mass airflow sensor.
Allow your scanner to turn on and communicate with the ECU.įault codes such as P0171 System Too Lean (Bank 1), P0174 System Too Lean (Bank 2), and P0101.Turn on the ignition but do not start the engine.Plug your diagnostic scanner in this port.Locate the diagnostic port under the dashboard on the driver's side.To diagnose the Nissan MAF sensor, you will need to read the fault codes stored in the Engine Control Unit (ECU).įor this step, you will need an OBD2 scanner. How to Diagnose Nissan MAF Sensor Problems The vehicle hesitates and jerks during acceleration.The engine runs unusually lean or rich, idling.This is a list of common symptoms you will notice when your Nissan MAF sensor fails.
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