1998 Ford Escort Fuel Pump Driver Module
How to test a fuel pump on a 2000 Ford Taurus Electronic Returnless Fuel System. How to test a fuel pump driver module.This is a unique fuel system, in that is does not have a fuel pressure regulator. Fuel pressure is controlled by varying the speed of the fuel pump motor.
This is done by a device called a fuel pump driver module. This driver module receives signals from the engine computer which tell it how much pressure is desired. Something else unique to this design is the use of a fuel rail pressure sensor.
HelloHave you checked to see what your fuel pressure is? If you are not getting any then something may be turning your pump off.You have a fuel pump relay that you can check.I have attached that check for you. Remember that relays are not that much, if there is any doubt after the check, replace it.OPERATIONThe fuel pump relay controls fuel pump operation.
1998 Ford Escort Fuel Pump Driver Module Off Line
The fuel pump relay is mounted under the center of the instrument panel between the panel and the floor. The fuel pump operates only when the engine is cranking or running.
Fuel Pump Driver Module Symptoms
It does not operate when the engine is not running, even with the ignition switch turned 'ON'. During cranking, power from the ignition switch causes the fuel pump relay to close the feed circuit to the fuel pump.