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Old 11-26-2013, 01:25 PM   #1
TriumphTigerCub
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Fuel Pressure Regulator -Ruptured Diaphram

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I have a 2001 Jimmy 125,000 miles - Replaced original Fuel pump, Spider ,and fuel filter. After 3 months of running great , the Fuel Pressure Regulator failed . Installed new one and it lasted about three days. Now I'm going on the fourth one . They only last a few days then the diaphragm ruptures.
Has anyone had this trouble ? If so what was a solution ?


UP DATE : I just installed another new FPR I hooked up the lines and checked the pressure to see if the new one leaked. Everything looked OK . I relieved the pressure at the test gage . When I removed the fuel lines to begin putting the plenum on a little gas ran out of the large fuel line (this would be normal since the line in vertical and a little gas would be in it)
When I removed the small fuel line it had pressure on it and squirted gas out .
Is this normal ?
Any help would be appreciated !!
Best Regards !!
Dave
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Old 12-10-2013, 09:15 AM   #2
rhandwor
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Re: Fuel Pressure Regulator -Ruptured Diaphram

I would check for a plugged return line.
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