Fuel restriction sensor - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 09-14-2013, 10:08 AM Thread Starter
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Fuel restriction sensor

Rear of fuel bowl I understand, its leaking, read to just plug it off and change the fuel filters regularly, safe to do? The way it looks it is just a pressure switch and when fuel pressure builds up too much it does something to alert the driver, so it is normally off and disconnecting it wont hurt anything.
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post #2 of 4 Old 09-14-2013, 10:35 AM
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Or you could buy an oring kit and fix it.


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post #3 of 4 Old 09-14-2013, 05:52 PM
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If you change your filters regularly, it isn't needed. They almost always leak since they can't handle the constant pressure pulses from the mechanical fuel pump. An o-ring kit will not fix a leaky FRS (they seal with 1/8 NPT threads) and the leak isn't at the sensor-to-bowl joint (the sensor leaks internally and out where the sensor parts are put together. Dirtcrew51m, you don't specify your truck's year, but the 94.5 and 95 had the FRS on the rear of the fuel bowl near the bottom, and the 96-97 had them on the fuel pressure regulator block on the driver's side of the fuel bowl. Cheers!

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post #4 of 4 Old 09-15-2013, 07:14 AM Thread Starter
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95, its in the rear, I pulled it yesterday and put the plug in it, it is coming from the body of the sensor, the sensor is junk. I m happy. One less fuel leak.
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