kentmclean at mindspring.com
Thu Jun 2 21:35:35 EDT 2005
Tom <tdehoff at aol.com> wrote:
> My pump is very noisy while running
Some pumps get noisy and run for years. Others get noisy
and die shortly thereafter. Fuel pumps are like a box of
chocolates -- you never know what you are going to get.
> ... and when its warm out and the car has sat (but its cooled
> off yet) its takes a lot of cranking to start it up. In the
> morning it starts like a champ on the first crank. I've read
> that this is most likely related to the fuel pump.
I know of two things that lead to extended cranking. 1) The
fuel injector seals leak, letting the injectors lose pressure
and requiring some time for the fuel pump to pump the pressure
back up. 2) The other is a check valve at/near the fuel pump
which fails, letting fuel drain back into the tank, and requiring
time for the pump to pump the pressure back up.
'94 100 S Avant, "Moody"
'89 200 TQ, "Bad Puppy" up in smoke
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