Why does fuel pump relay keep blowing?

Why does fuel pump relay keep blowing?

Why does my fuel pump fuse keep blowing? Fuses are over current protection devices which means that you either have a short to ground (possibly intermittent) somewhere in the circuit or enough added resistance in the circuit that the current drawn by the pump is enough to blow the fuse.

Why would a relay keep blowing?

most of the relays have internal contact points. inside, they might be sparking at each contact and burning up or the conductive springs are too hot due to amperage and the constant moving while flashing breaks them.

What happens when a fuel pump relay goes bad?

If the fuel pump relay fails the fuel pump will be left without power. The engine may still crank when the key is turned, however it will not be able to start due to lack of fuel. This symptom can also be caused by a wide variety of other issues, so having the vehicle properly diagnosed is highly recommended.

What happens when the fuel pump relay goes bad?

If the fuel pump relay suddenly fails, it will light up the check engine light and store a trouble code on the fuel pressure. The fuel pump relay going bad can affect the fuel pump’s power and affect fuel delivery to the engine.

Where do you find the fuel pump relay?

When you shut off the ignition, it powers down the fuel pump. In most vehicles, the fuel pump relay can often be found in the fuse box in the engine bay, which is usually a long black box which contains fuel pump relay along with various other fuses and relays.

Why does the fuel pump relay need to be Tip Top?

The fuel pump relay needs to function in tip-top condition if the engine is expected to run without any issues. Therefore, any compromise in the fuel pump relay can directly cause engine problems, such as the stalling of the engine.

What should I do if my fuel pump is not working?

Usually, when you start your car the fuel pump gives off a slight buzzing sound signaling that it has started working. However, if there is any problem with the fuel pump relay the fuel pump will not respond at all and you will be left turning the ignition key again and again. If you experience such an ordeal, it is time to visit the mechanic.