Coming Up Short on Boost
Results 1 to 7 of 7

This is a discussion on Coming Up Short on Boost within the Tuning: Electronic Engine Management forums, part of the Tech & Modifying & General Repairs category; I have a 2003 wrx, and I am using a cobb accessport currently for my tuning. I have it set ...

  1. #1
    Registered User morgan46's Avatar
    Join Date
    Aug 2011
    Location
    Over The Rainbow
    Posts
    250

    Question Coming Up Short on Boost

    I have a 2003 wrx, and I am using a cobb accessport currently for my tuning. I have it set to stage 2, and from what Ive read, I should be achieving 15psi. I am only getting 10 (stock level). The turbo has been tested and is a-okay. Im thinking its the boost control solenoid but the previous owners already said they replaced it.. help please.
    *My Headlights Turn Your Girlfriend On *
    http://www.clubwrx.net/forums/new-me...ml#post2135638
    -2002 Focus SVT-P.O.S.
    -1997 Subaru Legacy
    -2002 MBP WRX.. R.I.P.
    -2003 Sonic Yellow WRX!!

  2. Remove Advertisements
    ClubWRX.net
    Advertisements
     

  3. #2
    Master Baiter EJ257's Avatar
    Join Date
    Aug 2007
    Location
    On a stream bank somewhere
    Posts
    19,764
    I Support ClubWRX
    Put the car in test mode (like you were going to flash it). Do you hear the BCS "click"?
    2005 WRX STi (Mods | Virtual Dyno)

    Resident Tuner @ WTF Tuning

    "Never trust anything that bleeds for a week and lives ..."

    UNYSOC

  4. #3
    Registered User teflon_jones's Avatar
    Join Date
    Apr 2007
    Location
    8000' up in Colorado
    Posts
    6,753
    What is the full set of mods on the car? Have you ever had full boost? When did this problem start? What downpipe are you running with the stage 2 tune?
    Scott
    Past Subies - '11 STI Limited stage 1+ and '04 STi stage 2+
    '13 Wrangler Rubicon - custom front bumper w/12k lb winch & off-road lights, skid plates, diff guards, etc.
    '04 Porsche 911 Turbo GT2 clone 600 HP/TQ
    '77 F-150 heavily modded for off-roading

  5. #4
    Registered User morgan46's Avatar
    Join Date
    Aug 2011
    Location
    Over The Rainbow
    Posts
    250
    Quote Originally Posted by teflon_jones View Post
    What is the full set of mods on the car? Have you ever had full boost? When did this problem start? What downpipe are you running with the stage 2 tune?
    I do not know about the boost history of the car, I bought it with a seized engine. I did a 2.12 stroker, header, upipe, full invidia belmouth exhaust, cobb intake, ect. (I know these are a lot of mods, the tune is temporary, I already have my dyno tune appointment scheduled and I checked with the tuner and he said this was okay) I did disconnect the waste gate actuator hosing to test it, and the turbo did spool to 20psi like its supposed to.
    *My Headlights Turn Your Girlfriend On *
    http://www.clubwrx.net/forums/new-me...ml#post2135638
    -2002 Focus SVT-P.O.S.
    -1997 Subaru Legacy
    -2002 MBP WRX.. R.I.P.
    -2003 Sonic Yellow WRX!!

  6. #5
    Registered User morgan46's Avatar
    Join Date
    Aug 2011
    Location
    Over The Rainbow
    Posts
    250
    Quote Originally Posted by EJ257 View Post
    Put the car in test mode (like you were going to flash it). Do you hear the BCS "click"?
    Yes, I also checked to see if the tune had processed and it had
    *My Headlights Turn Your Girlfriend On *
    http://www.clubwrx.net/forums/new-me...ml#post2135638
    -2002 Focus SVT-P.O.S.
    -1997 Subaru Legacy
    -2002 MBP WRX.. R.I.P.
    -2003 Sonic Yellow WRX!!

  7. #6
    Moderator Donkey's Avatar
    Join Date
    Apr 2005
    Location
    Da boonies
    Posts
    6,149
    I Support ClubWRX
    You are probably missing the restrictor pill in the vacuum line to the compressor housing.
    Resident Adviser @ WTF Tuning, LLC
    2002 FORESTER S
    1998 FORESTER S




  8. #7
    Registered User morgan46's Avatar
    Join Date
    Aug 2011
    Location
    Over The Rainbow
    Posts
    250
    It is a possibility considering I have never known what anyone was talking about whenever they mentioned it...
    *My Headlights Turn Your Girlfriend On *
    http://www.clubwrx.net/forums/new-me...ml#post2135638
    -2002 Focus SVT-P.O.S.
    -1997 Subaru Legacy
    -2002 MBP WRX.. R.I.P.
    -2003 Sonic Yellow WRX!!

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •