Boost gauge hooked up wrong
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This is a discussion on Boost gauge hooked up wrong within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; I think my boost gauge is hooked up wrong, i mean in the wrong place. Not sure where it is ...

  1. #1
    Supporting Member yamaha_rider619's Avatar
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    Boost gauge hooked up wrong

    I think my boost gauge is hooked up wrong, i mean in the wrong place. Not sure where it is hooked up, is there an easy why to find it? How can or can i test my boost pressure without buying a cord or AP for my obd?
    Josh
    2003 Subaru Wrx Vf39'd
    Bugeye mafia #300

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  3. #2
    Wrinklechops
    Quote Originally Posted by yamaha_rider619 View Post
    I think my boost gauge is hooked up wrong, i mean in the wrong place. Not sure where it is hooked up, is there an easy why to find it? How can or can i test my boost pressure without buying a cord or AP for my obd?
    Post that picture that you showed me earlier and people will probably tell you the same thing I did... something isn't right if that T is where your boost gauge is supposed to be hooked up...

  4. #3
    Supporting Member yamaha_rider619's Avatar
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    My boost gauge isnt hooked up right, i think.
    Josh
    2003 Subaru Wrx Vf39'd
    Bugeye mafia #300

  5. #4
    Registered User PHTBMA's Avatar
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    i have got mine hooked upto the wastegate actuator seems to work quite well from there as it is gettin pressure as close to the turbo as possible. mind you when i had my car on the dyno when i was gettin the boost tap tuned properly the guy had his boost hose reading my boost t'd into the same place yours is, so cant really say if its wrong or right, but if its doing the job i say leave it lol
    1999 WRX Wagon
    STI bits

  6. #5
    Moderator Donkey's Avatar
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    Never hook up the boost gauge to the turbo. You will get incorrect readings as the intercooler has a pressure drop. Always take a reading from the manifold. Especially if you have a combo boost/vac gauge.

    OP- That picture is the suck. I assume the there is a T of the BPV line going to that other T with the plastic tubing. What is that second T feeding besides your boost gauge? What gauge do you have? Some gauges require a restrictor pill just like the turbo does. I know 3 of the boost gauges I have owned required a restrictor to accurately measure boost.
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  7. #6
    Supporting Member yamaha_rider619's Avatar
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    Quote Originally Posted by Donkey View Post
    Never hook up the boost gauge to the turbo. You will get incorrect readings as the intercooler has a pressure drop. Always take a reading from the manifold. Especially if you have a combo boost/vac gauge.

    OP- That picture is the suck. I assume the there is a T of the BPV line going to that other T with the plastic tubing. What is that second T feeding besides your boost gauge? What gauge do you have? Some gauges require a restrictor pill just like the turbo does. I know 3 of the boost gauges I have owned required a restrictor to accurately measure boost.
    Alright so my boost gauge it hooked up right. I have one tube to the manifold, one to the bov and one to the gauge. that plastic t was just there from something else i assume. I found out my problem for my leak is my turbo inlet. Wouldnt reccomend ebay for those.... I need a new one becuase the bov valve on the inlet doesnt line up just right, so it doesnt give a complete leak free connection
    Josh
    2003 Subaru Wrx Vf39'd
    Bugeye mafia #300

  8. #7
    Registered User PHTBMA's Avatar
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    Quote Originally Posted by Donkey View Post
    Never hook up the boost gauge to the turbo. You will get incorrect readings as the intercooler has a pressure drop. Always take a reading from the manifold. Especially if you have a combo boost/vac gauge.

    OP- That picture is the suck. I assume the there is a T of the BPV line going to that other T with the plastic tubing. What is that second T feeding besides your boost gauge? What gauge do you have? Some gauges require a restrictor pill just like the turbo does. I know 3 of the boost gauges I have owned required a restrictor to accurately measure boost.
    ya learn something new everyday, might be time to move some hoses around
    1999 WRX Wagon
    STI bits

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