MAF is the Mass Air Flow, measures air coming in through the intake.
Definition:A mass airflow sensor is used to determine the mass of air entering an electronically fuel-injected engine. The air mass information is necessary for the engine control unit (ECU) to calculate and deliver the correct fuel mass to the engine. Air changes its density as it expands and contracts with temperature and pressure. In automotive applications, air density varies with the ambient temperature and altitude, and this is an ideal application for a mass sensor.
Yeah they are known for going out. But ECM problem can occur, especially if you are missing the rubber molding that runs along the fender sealing the hood to the top of the fender.
I have also seen the MAF wiring harness damaged. I suppose that is from people pulling the intake hose and forgetting about the sensor.
Most of the time when you see White smoke, you have water somewhere, from the head gaskets of in the fuel.
You can take a sample of fuel and let it sit to see if it seperates, thats an easy check.
Sir Chadd
Rover Tech.
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