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A mass air flow sensor is used to find out the mass 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 as it expands and contracts with temperature and pressure. In automotive applications, air density varies with the ambient temperature, altitude and use of forced induction and this is an ideal application for a mass sensor. The engine will usually start but a faulty MAF sensor will make the engine run poor or stall.


QH X/Ref. QM640

BRIEF APPLICATION: Mercedes C, E, ML Class Diesel

Cambiare VE700286
Leader Specialist Components A6110940048
Cambiare VE700141
Delphi AF1007212B1
Fuel Parts (Marathon) FPMAFS027
Groupauto Em E019049
Ifa 8030170
Lucas Electrical FDM952
Unipart GAF33656
Part no: PAFS27