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Another update. I took the car for a 20ish mile ride to get some heat in the engine, then checked pressures. Fuel pump pressure was measured at 67psi and hot control pressure at 49psi. Both are on the low side of the spec, but nothing major. I do see about a 1psi increase on hot control pressure if the motor is revved, but I just equated this to a slight increase in voltage to the fuel pump. Should I be concerned with either of these readings? No change in pressures from O2 sensor connected or disconnected.
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