The Location of a Fuel Pump on a 1990 Ford Diesel Truck
- 1). Open the hood of your 1990 diesel Ford truck.
- 2). Look for the common rail fuel injectors above the master cylinder of the engine.
- 3). Follow the fuel injector lines to the joints on the high pressure fuel pump. All of the injector lines for the different cylinders of your Ford diesel engine terminate at the same component: the fuel pump.