help only hitting 6.5psi
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This is a discussion on help only hitting 6.5psi within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; I need some help peeps. Im only hitting 6.5psi at wot in 3rd and 4th gear. Ive already replaced the ...

  1. #1
    Registered User adizzle02's Avatar
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    help only hitting 6.5psi

    I need some help peeps. Im only hitting 6.5psi at wot in 3rd and 4th gear. Ive already replaced the vacuum lines on the t-fitting and the restrictor pill. I've got a boost solenoid on the way also. Is there anything else that could be causing this? Any advise on what else to check?
    VF39'd and Clark Tuned
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    Registered User Findus11's Avatar
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    I was getting the same thing
    Bad news for me: my turbo's done
    it leaks, and could have a crack
    Check your turbo?
    Time for me to "bolt on" a 38G turbo
    Hawk Eye #1991
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    I still don't know how I got this car...

  4. #3
    Registered User adizzle02's Avatar
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    i hope thats not the case..not ready for a new one yet
    VF39'd and Clark Tuned
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    Registered User Findus11's Avatar
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    Quote Originally Posted by adizzle02 View Post
    i hope thats not the case..not ready for a new one yet
    Yeah
    Bring it to your dealer maybe
    I ran about 10 psi
    and when I was in higher gears my gauge (and butt)
    would feel the car jerking
    Boost went from "10" to "-10" to "10"
    Hawk Eye #1991
    Dirty Crew #11
    Military Militia #1991
    I still don't know how I got this car...

  6. #5
    Registered User adizzle02's Avatar
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    The car runs great other than only getting half the boost i should be
    VF39'd and Clark Tuned
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  7. #6
    Registered User Findus11's Avatar
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    Quote Originally Posted by adizzle02 View Post
    The car runs great other than only getting half the boost i should be
    Huh
    sounds like it's not the turbo itself
    Just check all the lines
    You could have a leak in your uppipe?
    Hawk Eye #1991
    Dirty Crew #11
    Military Militia #1991
    I still don't know how I got this car...

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    Did you check your wastgate arm? could be that. happend to me i was onlyu hitting like 10 psi. looked around and found ot it was that. replaced it now hitting 17.5 good luck figuring it out.
    GrimmSpeed

  9. #8
    Registered User adizzle02's Avatar
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    where can you get just a wastegate arm??? Sorry for all the questions but what was wrong with yours that you saw to know to replace it?
    VF39'd and Clark Tuned
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  10. #9
    Resident meany-rator 06wrx4me's Avatar
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    Several things.

    1. I see you are Cobb stage 1. They have an HWG map for the 02 that may help. You can always call them for tech help too, they are great.

    2. Your WG actuator arm may need to be adjusted, fairly common. (yes it has threads and is adjustable)

    3. You have a boost leak somewhere. Take your car to a shop and have it smoke tested.

    4. Your turbo could be fried, or your catted UP plugged, or your catted UP came apart and destroyed the turbo.

    5. Your boost gauge isn't working right.
    2014 Ford Fiesta ST

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  11. #10
    Registered User adizzle02's Avatar
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    Quote Originally Posted by 06wrx4me View Post
    Several things.

    1. I see you are Cobb stage 1. They have an HWG map for the 02 that may help. You can always call them for tech help too, they are great.

    2. Your WG actuator arm may need to be adjusted, fairly common. (yes it has threads and is adjustable)

    3. You have a boost leak somewhere. Take your car to a shop and have it smoke tested.

    4. Your turbo could be fried, or your catted UP plugged, or your catted UP came apart and destroyed the turbo.

    5. Your boost gauge isn't working right.
    talked to cobb and they said that HWG is for bigger than stock turbos.
    im getting a catless uppipe next week so that woudl take care of a clogged problem. No boost gauge just using the AP.

    for adjusting the wg actuator arm i cant see much of it the heatsheild is in the way. which way would i turn the nut? Should the bcs make a clicking sound when the car is in test mode?
    VF39'd and Clark Tuned
    BugEyeMafia #176
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  12. #11
    Registered User adizzle02's Avatar
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    the car runs great other than only getting half the boost i shoudl be.
    thanks again for the help i appreciate it
    VF39'd and Clark Tuned
    BugEyeMafia #176
    Basshead Member #3

  13. #12
    Registered User adizzle02's Avatar
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    woot woot problem solved it was the BCS. put a new one in and it works like a champ. Thanks to everyone for all the suggestions
    VF39'd and Clark Tuned
    BugEyeMafia #176
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    Glad you got it figured dude. I didn't think it was a clog.

  15. #14
    Would Never, Ever Say Something Bad About an Admin's Mom SonicWagon's Avatar
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    Quote Originally Posted by adizzle02 View Post
    woot woot problem solved it was the BCS. put a new one in and it works like a champ. Thanks to everyone for all the suggestions
    WHAT BCS DID YOU USE?
    "It is at our most challenging times that we must cheat our very hardest" - Eric Theodore Cartman
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    so whose up for been banned?
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  16. #15
    Registered User 06hawkman's Avatar
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    he used a stock one
    06 WRX VF39ED
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