0
Yes that buzzing sound means that it is working.
David -master mechanic.
Wiki User
∙ 10y ago
Add your answer:
Earn +20 pts
Noise in the fuel pump of a Pontiac Grand Prix LE?
A whining noise from the fuel pump indicates that your fuel pump is close to failing. You should replace your fuel pump to avoid being stranded or unable to start your vehicle. All fuel pumps will emit a humming noise, but if you can hear it from inside the car, replace your fuel pump in time.
Why is new fuel pump making a humming noise?
Electric fuel pumps can be expected to make a humming noise because they have an electric motor inside them. Excessively loud humming can predict impending failure. You should compare the sound to other cars of the same make and model. If the noise is significantly louder, it is time to be saving up for a repair. A trusted technician would really be a good resource for you...a good tech can tell a lot from the sound.
What could be wrong with a 1987 Chevy pickup if you replaced the fuel pumps on its dual tanks but when you turn the key there is no humming noise from the pumps?
You will not hear a noise till you turn the key to the start position because it does not send fuel till needed to run the engine 1987? Is this a mechanical pump, if so it will not make noise, if electrical, it may have had rubber insulation on it when you put it into the tanks and they dont make much noise when full of gas. Does it have fuel pressure of any sort?
What causes humming noise in gas tank?
The fuel pump is engaged.
Why does the fuel pump on my 93 Pontiac Bonneville make a humming noise while the car is running?
a humming noise is usually related to the fuel pump about to go. or u just have a really loud fuel pump and everything is fine.
Just installed a new fuel pump on your 85 Fiero and it makes a constant noise and stops only when you shut off the engine?
All fuel pumps make some noise. If the noise is much louder than other fuel injected cars your fuel pump is defective. Fuel pumps that make noise normally fail before long.
How do you tell if the fuel sending unit needs to be replaced?
sending unit makes loud humming noise from fuel tank
Whats causing the loud humming noise from underneath my BMW E30 1990?
Fuel pump?
What is the cause of humming sound in the back of car?
on cars that run with fuel injection it would be the fuel pump, or high performance cars that use electric fuel pumps.
What is the humming noise on drivers side of a 99 Chevy s10?
You are probably hearing the fuel pump, this is normal.
Is it normal for fuel pump to made a noise while running in a 1999 Chevy Tahoe?
YES it is. GM had a problem with the fuel pumps making noise and still does.
Why does your car make a humming noise?
The humming is a series of explosions in the engine happenning very quickly. Could also be an electric fuel pump if the vehicle is equipped with one.
