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Fuel Pressure Fluxuation

881 views 1 reply 1 participant last post by  NOVAJOE105 
#1 ·
I was going to shim my fpr on my truck and thought I would get a baseline reading on my fuel pressure before I done anything. I hooked up my guage and started the truck. When I looked at the gauge to get a reading, the needle was jumping all over the place. It was going from around 45 to about 60 in a steady ryhthem. What is going on here? :confused: Any help would be greatly appreciated. Thanks y'all!!
 
#2 ·
Anyone got the link for the 18k mod as well. It would be greatly appreciated. thanks
 
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