WebAug 21, 2014 · Your Mass Air Flow (MAF) meter measures a variety of values to inform the ECU on how much air is entering the motor, and information about the air so that the PCM can operate the engine efficiently. Without this data, your engine will not run correctly and can cause damage.

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WebWelcome to S I Motors Ltd, offering huge savings on used cars in Ongar, Essex. If you are looking for used car... SI Motors Ltd, Chipping Ongar. 214 likes. Welcome to S I Motors Ltd, offering huge savings on used cars in Ongar, Essex. If you are looking for used car in London and Essex then pay us a visit. We... SI Motors Ltd WebA mass (air) flow sensor ( MAF) is a sensor used to determine the mass flow rate of air entering a fuel-injected internal combustion engine . The air mass information is necessary for the engine control unit (ECU) to balance and deliver the correct fuel mass to the engine. Air changes its density with temperature and pressure. WebMar 16, 2024 · MAF Sensor Voltage: With the MAF sensor connected, probe the MAF sensor connector between MAF and the negative battery terminal and start the engine. It should read 0.20 to 1.5 volts. If not the MAF sensor may be broken. EGR Valve Position (EVP) The EVP sensor tells the computer what the EGR valve is doing. calling tab lowest price