When it overestimates the airflow, the PCM releases too much fuel. It can't measure airflow accurately, therefore sending incorrect information to the PCM. These issues can happen when the MAF sensor is damaged or when its wires are coated with dirt. Signs that your vehicle is running rich include: “Running rich”means there is too much fuel and not enough air in each combustion cylinder.
If you experience any of these symptoms you should examine your vehicle as soon as possible. These issues can create dangerous situations causing accidents and injury. This could happen while speeding up on the highway on-ramp or cruising down a city street. You’ll experience this as poor drivability such as hesitations or sudden jerking motions, particularly during acceleration. Stalling, jerking, or hesitation during accelerationĪ bad MAF sensor can cause too much fuel to be left in the combustion chamber, creating untimed detonations. There are 3 key signs that may indicate it’s time to examine your MAF sensor. This causes the engine computer to miscalculate the amount of injected fuel, causing additional damage to your engine. A contaminated or failed mass air flow sensor cannot measure the amount of air flow correctly. Visit the What This Fits tab for more details.The mass air flow (MAF) sensor, part of your vehicle’s electronic fuel injection system, is responsible for calculating the total amount of air entering the engine. When it's time to replace your old Mass Air Flow Sensor, ensure your new Mass Air Flow Sensor part is the right fit by shopping genuine Nissan Parts. They will use a specific type of Mass Air Flow Sensor cleaner to get rid of grim, debris, or dirt that has collected on the sensor.
#2016 nissan sentra mass air flow sensor problems professional
If you receive a professional inspection for air flow sensor issues, your technician might be able to solve them 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 have a scanner? Head to your closest Nissan service center for assistance. 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 a worn out Mass Air Flow Sensor can diminish engine performance, it can cause the check engine light to illuminate on your Nissan dashboard.
If the engine in your Nissan starts running lean, you might notice symptoms such as backfires when decelerating, decreased performance, or your Nissan won't start. If the Mass Air Flow Sensor is worn out or damaged, the engine may run lean, which means either too little fuel or too much air is in the air-to-fuel ratio.
Your Nissan's computer takes the information gathered from the Mass Air Flow Sensor and determines the amount of fuel that's necessary to maintain the proper air to fuel ratio. 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.
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