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Will car run with a bad fuel pump relay?

A bad fuel pump relay can prevent your car from starting or running properly. The fuel pump relay is responsible for providing power to the fuel pump, which pumps fuel from the fuel tank to the engine. If the fuel pump relay is not working, the fuel pump will not be able to pump fuel to the engine, and the engine will not be able to run.

Here are some symptoms of a bad fuel pump relay:

* The car cranks but does not start.

* The car starts but runs rough or stalls.

* The car hesitates or jerks when accelerating.

* The car loses power while driving.

If you experience any of these symptoms, it is important to have your car diagnosed by a qualified mechanic to determine if the fuel pump relay is the cause. A bad fuel pump relay can be easily replaced, and the cost of the repair is typically not very expensive.