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Re: new fuel pump acting odd, got questions (long) Posted by RS [Email] ![]() ![]() ![]() In Reply to: new fuel pump acting odd, got questions (long), burlyb (90 SPG), Mon, 17 Dec 2001 13:04:59 Members do not see ads below this line. - Help Keep This Site Online - Signup |
I think that the increased noise is because the FPR is required to drop the increased pressure produced by the new pump down to the output pressure rating.
I doubt that there's a problem with moisture wicked out of the air.
The wandering idle may be because the FPR is a little sloppy and is responding to the vacuum fluctuations oddly. How old is it? I haven't taken my old FPR apart yet, but I suspect that there's a tapered pin and matching seat that work the pressure regulation function. These wear after a good part of a decade.
posted by 66.21.1...
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