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Fuel pump made a funny noise, then no start 200 1991

uid 27's pic
posted by  Art Benstein on  Sun Mar 10 13:16 CST 2019
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last visit: Fri Oct 17 20:10 CST 2014
[RELATED]

"MMO wouldn't touch that part of the pump anyway, right?"

It would, but I agree with Phil, it couldn't harm it. If the maker suggests adding it to fuel, he knows it will surround the brushes and commutator of all fuel pumps.

Also with Phil on checking the wiring terminals before suspecting the pump. If they look good, you could "test" for a bad spot on the commutator by using a jumper wire, with fuse 4 removed, from B+ at fuse 6 to the left side of fuse 4 socket. Repeatedly make the connection listening to be sure the pump motor starts every time. Assuming it is the original Bosch pump, I would think it could last a whole lot more than 200K miles, but then again, it can be abused by fueling habits and long time without a lift pump.
--
Art Benstein near Baltimore

"Technically, Windows is an 'operating system,' which means that it supplies your computer with the basic commands that it needs to suddenly, with no warning whatsoever, stop operating." -Dave Barry






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