What happens if the fuel pump is not turned on?
What happens if the fuel pump is not turned on? If the power is turned on to the motor, the motor will run...no power, it won't run. Unless the relay or PCM sends a signal to the pump and waits for a response before the relay/PCM would shut off the power, it does not seem logical that the issue would lie at the pump. When is the fuel pump relay turned on? The fuel pump relay is an important component of the fuel system of your vehicle. The fuel pump relay gives the fuel pump power when it is time...