Typically no. You may have a loud pump....usually indicating it will need to be replaced soon.
are there 2 fuel pumps on a 1984 chevy citation
YES it is. GM had a problem with the fuel pumps making noise and still does.
When you are running your heart pumps blood real fast! If you feel your heart before you run, it pumps calmly, but after you run you should feel your heart, it pumps so fast!
Usually fuel pumps are located in the gas tank.
All electrical fuel pumps hum while running. As they get older they may get a little louder but it's normal.
yes
No, just one.
Yes, They are a different size.
2 a primary and a secondary
All small block oil pumps will physically interchange with each other, before 2000. Keep in mind they make high pressure, and high volume pumps, as well. They are usually just big block pumps. Yeah, they are all the same.
All fuel injection cars fuel pumps are in the gas tank. Pull gas tank replace fuel pump. Take note you will have to drop the exhuast and the differential on that car. GOOD LUCK. repair cost est.: $400-$500
No. The ECM not only actuates the fuel pump, but also adjusts the rate at which it pumps fuel.