Re: Whats the problem
Buy a Haynes manual for the car, it will show where the f/pump relay is at for you to touch.
Once the engine starts, does it continue to run? If it does, the pump is getting power through the oil pressure switch, I believe.
When the ign switch is turned on, the PCM sends out a control signal for the f/pump relay to close to energize the pump. It could also be a loose ground on the other side of the relay coil.
As most devices are PCM controlled, the relay coil has battery power on one side of the coil, and PCM supplies voltage to the other side of the coil, the relay is open. When PCM closes the relay, the one side of coil power from the PCM, goes low by PCM action and closes the relay. So, the driver for the relay inside the PCM may be broken, and PCM replacement is the solution. But hopefully, it won't be this condition of damage.
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