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Testing today. Got much different pressure readings. With regulator vacuum hose off and pinched. Car not running. Not warm. I primed the pump and got 10-20psi, when 38-46psi is the spec. Two weeks ago, this test showed 42psi repeatedly.
So then I reattach the vacuum line. The FSM says pressure should climb slightly, but it didn't. However, two or three priming cycles with the key and it climbs close to the normal range.
Also unlike two weeks ago, the pressure quickly drops off, if I get it even close to normal, whether the vacuum line for the regulator is connected or not.
What the hell?
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.
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