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Discussion Starter #1
Can any one "please" tell me where the fuel pressure regulator vacuum hose goes to from the regulator I went to clean air-filter and noticed it was never hooked up the hose off the regulator is about a foot long and goes up towards the throttle body then that's it cannot find vacuum source to hook it back up, the fender sticker is impossible to read it is completely faded.
Thanks
 

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what year ?
I don't recall a vac line to the fuel regulator.....
 

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Sorry about that, it is a 1998 C5 coupe 5.7L LS1 California model automatic
First, they are all the same. There is no diff between a California car and the rest. They are all 50 state cars...

Now, I'm thinking it's not the pressure regulator but the fuel vapor purge valve. That does vent into the intake. On the other side is a squiggly hard plastic line. Are you stock?
 

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but there is a difference in regulators
I believe after 2000 they are different
 

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Discussion Starter #6
Yes I am stock only a cold air intake it was on when it was bought the regulator looks very simiular to my 90 C4 just different location that one goes to vacuum I know! I will take a photo and post it!
 
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