forms the so-called salvadebimetro use them for years to be good enough ,you use a trimmer for the adjustment, there are three wires or four wires, namely :model 3-wire stops the signal of 5 volts, which provides the controller to the mass air flow sensor while in the four-wire stops the output signal from the mass air flow sensor discoverable always with multimeter..with the engine running at idle at about 1,8 2,2 volt acceleration increases..being broken should not reach 4 volts. The best of course, these are 4-wire applicable on almost all of the debimetri i.e. analog 5-wire...
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Originally Written by sportknight
