Bad mass air flow sensor renault scenic

A mass air-flow sensor is used on fuel-injected vehicles to tell the computer how much air is going into the engine. Discover why a mass air flow sensor must be removed in order to be checked with help from an auto mechanic in this free video on auto parts.

How To Fix Or Prevent Stalling, Surging Or Rough Idle On Your Car. How to clean a throttle body.

This is a guide to finding, cleaning or changing the MAF sensor on your Opel \/ Vauxhall Vivaro, Renault Trafic or Nissan Primastar van. This sensor is often the cause of low power, an inability to rev properly and rough running.

MAF) sensor measures the volume of air entering the engine so the Engine Control Unit (ECU) can calculate how much gasoline the fuel injectors should deliver to each cylinder in order to create the proper fuel-air ratio. Sometimes, however, a malfunction in this little instrument can lead to big problems, usually resulting in very poor engine performance.

MAF

Mass Air Flow (MAF) Sensor. This test is almost but not exactly the same for all types of MAF Sensors.

Mass airflow sensor problems can cause a variety of symptoms from the annoying to the must repair. We'll discuss these in-depth on this page.

The mass air flow reference voltage and ground must be checked at the sensor connector. The signal voltage or frequency needs to be checked at different engine RPMs and compared to the reference chart.

There are a number of things on a car that are built to regulate the amount of air and fuel that get mixed. The mass airflow sensor is one of the most important of these sensors due to the job that it performs.