Idle Issues– Your X-Trail may run rich or lean when idling, or it may also idle erratically.Here are the most common symptoms of a bad or failing MAF sensor: When the mass airflow sensor has gone bad, you’ll definitely feel it. And, most of the time they are right by the air box and easy to replace.įaulty Mass Airflow Sensor Symptoms: Nissan X-Trail If you do determine that you need a new mass airflow sensor, they aren’t too expensive.
The ECU uses this information along with other sensor data to control the amount of fuel that enters the combustion chamber. It passes this information onto your X-Trail’s ECU. A bad mass airflow sensor can leave your Nissan X-Trail’s engine running rough, or even inoperable.Ī MAF sensor measures the density of the air entering the intake manifold. The mass airflow sensor (commonly abbreviated to MAF) is one of the most important engine management sensors.
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