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Ok guys, bout to pull the trigger on an Airdog 100 as soon as my tax return comes in but had a few questions. First off, my Isspro ev2 fuel pressure gauge seems to be acting funny. When I get in and crank the truck in the mornings when engine is colder the gauge will go to zero for a minute and then pop up to about 10-12 at idle which is where it normally is. No rhyme or reason though I can be driving and it will drop to zero and sometimes stay there or pop back up. My set up on the gauge is I tapped into the test port of the vp44 with a banjo/snubber bolt to a grease gun hose then to my sending unit. I used teflon tape on everything but the banjo bolt to the vp44. I hope thats a good setup but if not I need to change it which might lead to my second question. When I install the Airdog do I montior the fuel pressure from the same spot like I am now or does a fuel line run to the banjo bolt I have now. If I was guessing I probably have to get a different fitting at the vp44 but not sure.