Fuel Pressure Regulator - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 02-04-2008
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Fuel Pressure Regulator

Wheres the fuel pressure regulator located on a 99 3.0L. Any body got any clue?

Thanks,

Chris
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Old 02-04-2008
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Last edited by casfz1; 02-04-2008 at 07:25 PM.
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Old 02-04-2008
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Quote:
Originally Posted by ShoNuff82 View Post
Wheres the fuel pressure regulator located on a 99 3.0L.
It is in the tank, part of the fuel pump assembly.
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Old 02-05-2008
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^ yup pretty sure its in the pump
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Old 02-05-2008
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On my 99 3.0L (FFV) the FPR is located on the passenger's side fuel rail, just behind the schrader valve. Look down just in front of the coilpack.
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Old 02-05-2008
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AFAIK, 98+ Rangers are returnless fuel, meaning that there is a single fuel line up to the fuel rail and no return line back to the tank. With the returnless system, the pressure regulation is done in the tank.

The return type system used in earlier years regulates pressure at the fuel rail by dumping the excess back to the tank through the second fuel line (return line).

If there is a single fuel line to the engine, then the device on the rail is not the fuel pressure regulator. There a fuel pulse damper on the fuel rail of the returnless trucks that looks very much like the fuel pressure regulator used on the return fuel trucks.
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Old 02-05-2008
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Quote:
Originally Posted by rwenzing View Post
AFAIK, 98+ Rangers are returnless fuel, meaning that there is a single fuel line up to the fuel rail and no return line back to the tank. With the returnless system, the pressure regulation is done in the tank.

The return type system used in earlier years regulates pressure at the fuel rail by dumping the excess back to the tank through the second fuel line (return line).

If there is a single fuel line to the engine, then the device on the rail is not the fuel pressure regulator. There a fuel pulse damper on the fuel rail of the returnless trucks that looks very much like the fuel pressure regulator used on the return fuel trucks.
Thanks Bob, I'll have to see if there is a return line, but this "device" looks like a FPR, with a vacuum line going to it.
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Old 02-05-2008
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Originally Posted by Takeda View Post
Thanks Bob, I'll have to see if there is a return line, but this "device" looks like a FPR, with a vacuum line going to it.
The FPD also has a vacuum line to it and it does look like a FPR. It's possible that the FFV Rangers are a special case and that they retained the return system for some reason when the rest of the Ranger line went returnless - don't know. I'd be interested to hear if your FFV has a return line.
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