Fuel pump queston

[sad_rocc@veedub.com (Dan Smith)]

Mainly unrelated but I have one of the problems mentioned as well. Around 4k rpm it does pulse when I keep it steady. There's just a tiny, barely noticable engine surge. It's really hard to describe but pretty constant. Not that it happens every x minutes but that it happens every so often while i'm around 4k rpm. To fix it, I usually just upshift so the rpms are lower. I was just going to add it to the list of my car's quirks, but since someone else seems to be experiencing it, anyone have any suggestions?

Dan

--- Cathy Boyko <losinit@usa.net> wrote:
>OKay, a question. My car('87 16V) has been out to have a fuel prime problem
>cured.
>Anyway, the initial symptoms were no fuel at starting until the pump ran
>through many cycles. Once there was fuel to it, it'd fire right up and run
>well, until next time it sat.=20
>So the Bentley suggested either a check valve or accumulator, and both were
>replaced, but the problem persisted.
>Other suggestions were the transfer pump (it's making good pressure
>apparently, the car's still not home) and the reservoir, which is also
>apparently fine. A leaky injector was another possibility (not sure about
>those).
>Anyway, he says the main pump is buzzing but not making any pressure (it's
>pretty old and corroded). Does this fit with the previous symptoms? Would r=
>un
>reasonably well on just the transfer pump if the main one was going south? I
>did notice a slight variation, like a pulsing, when you'd drive at constant
>speed, say around 4000 rpm, but nothing too horrible, and it was finally
>idling really well (thanks to a few nice listers).=20
>Anyway, feedback is appreciated before I add another new part to this car.=
>=20
>Cathy, 1987 16V "the silver headache"
>
>
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