What would cause a fuel pump to keep going out?
Fuel pump failures can be caused by electrical faults, old age (wear) or fuel contaminants (dirt, moisture or bad gas). Fuel pump failures often occur without warning. Fuel pump failures can be caused by electrical faults, old age (wear) or fuel contaminants (dirt, moisture or bad gas).
What turns the fuel pump on and off?
The fuel pump relay is a small unit covered in a plastic case, which has several sprockets on one side that are clipped onto the ignition system. The fuel pump relay is what turns on the fuel pump when you start your car and powers it down when you shut off the ignition.
What should I do if my fuel pump keeps running?
Normally if the starter relay it stuck, the starter will continue to run even with the key off. Either way the fuel tank will probably need to be removed as the relays are under the tank on the right side & the fuel pump & filter hoses access are in the tank on the bottom right side.
Why does the fuel pump stay on when ignition is off?
Fuel pump stays on when ignition is off. The trigger for the relay is grounded through the ECM. The ground is provided electronically for a few seconds when the key is turned on and is maintained after that due to a pulse from the ignition module. It could be due to an erratic fault in the ECM.
Why does my Ford Ranger fuel pump keep running?
Unplugged it turned the key and the pump ran and did not shut off. 1986 4wd Ranger XLT 2.9L. Fuel Pump Keeps Running. What is up? my fuel pump keeps running after the normal ‘priming period’. on advice from another thread- disconnected the TFI and the pump still runs continously when i turn the key.
Where is the fuel pump in a car?
The fuel pump is in the tank on the lower right side. While the started motor is located just above the transmission on the lower left side where you have your dot. Normally if the starter relay it stuck, the starter will continue to run even with the key off.