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Rod, IIRC the fuel pressure should be 42-45 psi @ idle, and with the manifold reference line pulled off the FPR. When you put the reference line back on, it'll drop to 35 or so.
Any chance of running an external MAP sensor with your ECU? I'm not a big fan of internal MAP sensors for just the reasons mentioned.
Any chance of running an external MAP sensor with your ECU? I'm not a big fan of internal MAP sensors for just the reasons mentioned.