Question about 1990 Ford F150
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Posted on Jan 02, 2017
Posted on Jul 08, 2008
the fuel pressure regulator is on the end of the fuel rail it is held on by a torx screw relieve the fuel pressure using the schrader valve on the fuel rail remove regulator holding screw and replace new regulator be carful not to damage o-rings on new regulator
Posted on Nov 02, 2008
another engineers wet dream. think of it this way . what is normally in the intake when the engine is running.. answer vacume, hence the regulator gets its vacume without a hose connected to it as its already in a full time vacume chamber.no hose required . ps be carefull to seat the regulator and o rings securely into the housing befor you reattach the secureing metal clip.
good luck chris
Posted on Mar 23, 2009
Multi point injection systems run at about 45-55 psi. When the key is
turned on,engine off, fuel pump will run for a short time to prime the
fuel rail. At this time the tester should read normal pressure or a
You need to use a pressure gauge and run it in-line with the fuel lines. Pop the hood and look to the left. Just above where the strut mounts you will see a round silver filter. You need to remove the fuel line there and place your pressure gauge in line of that.
Let me know if you need any more help.
Posted on May 23, 2009
Hello , fuel pump relay location is in the relay box by the radiator. The fuel psi regulator is on the fuel rail itself. The regulator looks like a small disk about 1.5inchs in dia. It will have a vacuum line running to it.
Posted on Jan 23, 2010
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