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Home >> Eagle >> 1996 >> Talon Base, Standard, A578 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation - Turbo >> Computerized Engine Controls >> Input Devices >> Engine Speed (RPM) Signal

Engine Speed (RPM) Signal

ECM uses ignition coil tachometer signal to determine engine RPM. Using RPM signal and VAF sensor signal, ECM makes computations to determine basic fuel injection timing.