Fuel Pressure Regulator Problem?

[stevealvey24]

Here is a link to show you exactly what I'm talking about. Thanks for any info, this website and its members have helped me out a bunch. Thanks to all.

http://www.youtube.com/watch?v=Pz7A_Apv_zI

 

[martin]

That could be caused by a bad fuel filter.

 

[adsm08]

Generally when a 2.9's regulator fails it causes high pressure, not low pressure.

I'd be looking at either a restriction (plugged filter, there are 2 BTW, crushed line, etc) or the high pressure pump.

 

[lost86broncoii]

hey did you ever figure out what caused the pressure to drop? mine's doing the same thing.