How To Check If Fuel Pump Relay Is Bad
When a relay is defective it is usually because of a bad coil or bad connection.
How to check if fuel pump relay is bad. Pull the relay straight out from the fuse box to remove it. Check the fuel pump fuse. A faulty relay may allow the vehicle to be. If your car starts to slow down while you are driving it may be a sign of a bad fuel relay.
Grab the relay firmly on either side and pull it straight up and out from the terminals of the fuse box. Pull it out and inspect it for signs of failure. A car s fuel pump relay turns on the fuel pump when the motor runs. Your car s fuel pump relay may be able to supply enough power to the vehicle to allow you to drive it.
Consult your owner s manual or a service manual to find the location of your fuel pump relay. If you can t find the fuel pump relay check your vehicle s manual to see if it lists the location. If the relay doesn. To check both operations remove the relay by pulling it out of its socket.
Testing the relay of a fuel pump is relatively simple as it does not have many parts. However if the relay is faulty you may notice some problems with the car s performance. When either of these begin failing the current to the electrical circuit will be also fail. Often it s not the pump itself that fails to function but the power that supplies it.
How to tell if fuel pump relay is bad while driving. Check in your owner s manual for the location of the fuse box then find the fuse that corresponds to the fuel pump.