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Home >> Eagle >> 1990 >> Premier ES >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Input Devices >> Injector Power Signal
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Injector Power Signal

This signal is a function of the fuel pump relay. The fuel pump relay informs the ECU about the amount of battery voltage supplied to injectors. If battery voltage to injectors is low, the ECU will increase injector pulse width to compensate for a slower injector opening time.