Quote Originally Posted by randyr View Post
Ok, I just read on a Mustang site that the fuel needs to go directly to the injectors first and then pass thru the FPR on it's way to the return line. I'll switch the lines back the way I had them before....
Randy,
Sorry, I've been away from the discussion. Yes, the FPR modulates to control the amount of fuel returned to the tank, keeping the fuel rail pressure within control range. Fuel feeds the rail first, and the regulator is on the end of the rail where the return line connects.