Quote:
Originally Posted by moorecomp
My car and many others here with an MPGuino installed have returnless fuel delivery systems. I have no complaints with the accuracy of the guino.
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Good data points.
Ford ERFS patent - first used in 1998 Ford vehicles. Varies fuel pressure according to load.
2009 Toyota RAV4 New Features - uses a mechanical fuel pressure regulator in-tank, implying a constant pressure fuel system.
Your RAV4 MPGuino is accurate?