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Discussion Starter · #1 ·
Ballpark it....What's low? My daughter's '88 Bronco II w/ 2.9 engine: 15 psi before new fuel filter, 22 psi after. ??????? /ubbthreads/images/graemlins/confused.gif
 

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Don't know the specs for your Bronco. I do know that on just about any fuel injected vehicle, the best thing you can do to prolong the life of the electric pump is to keep the filter changed. /ubbthreads/images/graemlins/grin.gif
 

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Discussion Starter · #3 ·
Yes sir. Just changed it. At the rail I had 15 psi before I changed the filter and then 22 psi after. Is this the pressure that it normally runs at? My Haynes says all F.I. models 40 psi......I think the hi pressure pump is running. There is a low pressure pump in the tank with the high pressure one on the frame rail just aft of the filter. ??
 

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Thanks. I'm gonna look at that high pressure pump next. Looks like a C note to replace. There's also I think a vacuum controlled pressure regulator. We'll git it, Rome wasn't built in a day. /ubbthreads/images/graemlins/grin.gif
 
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