If the relay doesn.
How to check if fuel pump relay is bad.
Consult your owner s manual or a service manual to find the location of your fuel pump relay.
If the fuse is blown it will be broken or burned.
A faulty relay may allow the vehicle to be.
Check the fuel pump fuse.
When either of these begin failing the current to the electrical circuit will be also fail.
However if the relay is faulty you may notice some problems with the car s performance.
Pull the relay straight out from the fuse box to remove it.
A car s fuel pump relay turns on the fuel pump when the motor runs.
Testing the relay of a fuel pump is relatively simple as it does not have many parts.
If your car starts to slow down while you are driving it may be a sign of a bad fuel relay.
Your car s fuel pump relay may be able to supply enough power to the vehicle to allow you to drive it.
When a relay is defective it is usually because of a bad coil or bad connection.
If the fuel pump relay has an issue while the vehicle is operating it will cut off power to the fuel pump which will cause the engine to stall.
Pull it out and inspect it for signs of failure.
The most common parts to burn out or break include the contact and the coil.
How to tell if fuel pump relay is bad while driving.
If you can t find the fuel pump relay check your vehicle s manual to see if it lists the location.
Often it s not the pump itself that fails to function but the power that supplies it.