If it is noisy it for sure has a problem. Replace the fuel filter immediately and if it is still noisy prepare for it to fail. Best to just drive most of the fuel out of the tank and then replace the pump if the tank must be dropped to get to the pump.
If the fuel pump is bad it will just quit pumping gas, the electric fuel pump always makes a little noise when running.
is the noise coming from the new fuel pump (in the tank)? if so the new fuel pump is bad
If you have power and ground at the fuel pump while the key is in the start position but have no noise or fuel coming from the pump, then the odds are it is bad
activation...or due to bad BP gas A noisy fuel pump is usually a sign that is about to fail. Make sure you replace the fuel filter before proceeding.
Bad fuel pump, loose fuel pump, loose baffle or foreign matter in the tank.
If the fuel pump becomes noisy you can rest assured it is going bad. But, the pump maybe going bad and not make any noise at all. Anytime you have a problem with fuel delivery, first thing to do is replace the fuel filter. After replacing the fuel filter a fuel pressure test will verify the condition of the pump.
give more info please and I'll help you. Check fuses for the fuel pump, check to hear if fuel pump makes a noise when you try to start it. Check for bad spark plugs.
It makes alot of noise and overheats, leaks out of bottom of pump
The 1999 Mercedes C280 came equipped with a 2.8L V6. Symptoms of a bad or failing fuel pump include abnormal priming noise when the key is placed in the ON position, humming noise, sputtering, and ultimate failure to start the car. The OER Cambiare fuel pump is #VE523075.
In most cases the fuel pump will not make any noises at all. A fuel pump going bad will cause the engine to shut off unexpectedly.
could be fuel pump. check fuel filter and fuel pump fuse. you should hear a humming noise when turning key on. if the fuse is good and you don't hear noise then you pump is bad need to replace.
If the relay is bad, then the fuel pump will not work.