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DIY B6 A4 fuel pressure gauge

Old 12-06-2012, 03:19 PM
High-Rev-Racing's Avatar
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Join Date: Sep 2012
Location: Atlanta Ga
Posts: 27
Default DIY B6 A4 fuel pressure gauge

Proced with caution this write up is for information and is no way held responsable for any damage to your car like I always say and practice
"When in doubt have a pro check it out"

I have looked all over most forums and this topic seems to be very ify with most people claiming that the risk of fuel leak and fire out wights if an benifits from a fuel pressure gauge. Well I have learned fom my race cars 3 benifits to having it. it helps you spot tunning prolems spots fuel pumps going bad and spots future fuel leaks. here is a quick write up i will show you one way and tell you how to do it another easier way.

My way
-4an- hose female to female pre cut with the hose ends on and long
enough to get to where u want the gauge to sit
-4an male to what evre thread your fuel pressure gauge is adapter
-A tool used to take the vale stems out of tire valves
-15mm box end wrench

easier way
-4an- female to female solid tube with 180 degree bend
-4an male to what evre thread your fuel pressure gauge is adapter
-A tool used to take the vale stems out of tire valves
-15mm box end wrench

First I would sugest you pull your fuel pump fuse and burn up all fuel in your lines.

Next take the schrader valve remover and unscrew it from the end of the fuel rail
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next screw on the end of the 4an- hose be sure to seal it with loctite or liguid plumbers tape

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make sure if you using a line u sucure it to the fire wall this is the way you avoid fire to much line flex weekends the line but if you sucure it the flex is down to a mininum

screw in the adapter and gauge and tighten and there you go that easy

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the other way is the same way. the only diffrence is you use the 180 bend to place the gauge right on the fuel rail instead of away from it.
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