Quote:
Originally Posted by bradley6
I have reason to think my lift pump may be underperforming and occasionally starving the fuel system a little bit. I'd be very grateful if someone out there could describe a good method for testing it in place.
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The only test is a pressure test. You'd need some fittings to connect the gauge between the outlet of the pump and the secondary fuel filter.
The spec is 12 psi (minimum) at 3000 rpm.