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The fuel pressure regulator does not have an on or off position. It has a spring loaded valve that keeps a certain amout of pressure inside the fuel rail. There is also a vacuum line attached to it (from intake mainifold) which varies the tension of the spring via a rubber diaphragm to allow more fuel pressure under higher engine speeds.
What else can I help you with?
1989 dodge ram 250 fuel pressure regulator?
The van wont start and we were told it was the air and fuel regulator or is it the fuel pressure regulator that the lines to the gas peddle go into to make the vehicle run
Where does the vacuum line go from the fuel pressure regulator on a 2000 Chevy 4.3 vortex?
It doesn't have a vacuum line attached to the fuel pressure regulator.
How do you change fuel regulator?
Remove the fuel regulator retaining screws. Remove the fuel regulator wiring harness. Reverse the process to install the new fuel regulator.
What can go wrong with a fuel pressure regulator on a 98 Chevy S-10?
A fuel pressure regulator on a 4.3L can leak undetected but cause the vehicle to fail emissions.
Where is the fuel pressure regulator on a 1999 mercury cougar?
it depends on the manufacter date. 5-3-99 had a fuel regulator with a fuel return, after 5-3-99, no fuel regulator, returnless fuel system. if it is flooding, look at the fuel pressure sensor bolted on before the injection rail, fuel line go's to it and has one vacuum line and one plug in.
Where is the fuel pressure regulator on a 1989 Honda Accord?
The fuel pressure regulator is located on the fuel rail of the engine. The regulator is placed at end of the fuel rail.
Where is the fuel regulator on 92 Buick Roadmaster?
Fuel Pressure Regulator is located on the fuel rail.
Where is the fuel pressure regulator on a 2004 Hyundai Sonata?
The fuel pressure regulator is located next to the fuel injector pump. The fuel pressure regulator should be labeled as such.
Fuel pressure regulator location?
The fuel pressure regulator is with the fuel pump inside the gas tank.
Where is fuel regulator on a 200 Saturn S?
The fuel regulator is inside the fuel filter in a lot of Saturns.
Where is the Fuel regulator 2.0 1988 cavalier located?
Fuel Pressure Regulator is located on the fuel rail.
Where is the fuel regulator on a 1999 Chevrolet Silverado 2500?
On the fuel rail. The fuel passes through the regulator as it returns to the fuel tank.
