The first year they were built 1967.
If fuel pumps were not necessary, there would not have any on your car! If there is a problem with your fuel pumps, your car will not start, or it will start but it won't run for very long.
Most stock pumps make about 4 psi, but you can run aftermarket pumps up to 7 psi before you start having problems with the needle and seats.
http://www.fuelpumps.com/ would be a good place to start. They offer fuel for the certain make of your vehicle model. Fuel Pumps is the world's leader in performance and OEM replacement fuel pumps and accessories.
The XJR model has two fuel pumps due to it having a supercharger. The XJ8 model has only one. They are both tank mounted.
A vehicle with a failed fuel pump will not start. But fuel pumps can have intermediate degrees of failure which can result in intermittent failure or low fuel pressure.
There are many causes for a car not to start. One of the causes can be the fuel pump which pumps fuel into the carburetter to spray into the ignition chamber.A bad pump may not pump the fuel into the carburetter .
Most fuel pumps for fuel injected vehicles will cost more than $100.00, U.S.
On the in-tank fuel pump, or pumps if you have two tanks.
Earlier carburated vehicles used external fuel pumps.
Mpfi. Is the multi point fuel injection system it consists of number of pumps according to the cylinders of the car having, the purpose of these pumps are to make the fuel travel till the injector to inject it to the cylinder for combustion process
A fuel pump does that job.
fuel sending unit, these vehicles are notorious for having rusted wiring and leaky fuel pumps. list the back seat to reveal the trap door and check the groun on the fuel pump to see if its corroded.