2007 WRX overboosting?
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This is a discussion on 2007 WRX overboosting? within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Hey everyone, so tonight I noticed that my boost spiked at 17.12 psi on my accessport when it should be ...

  1. #1
    Registered User DatsikWRX's Avatar
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    2007 WRX overboosting?

    Hey everyone, so tonight I noticed that my boost spiked at 17.12 psi on my accessport when it should be at about 14. Ive noticed in the past 2 weeks that it has been going a little over 14. The car is cobb stage 1. I was recommended to run the cobb stage 1 low wastegate tune. Will this work or do I have a serious problem? Thanks!
    2007 WRX Wagon- Stage 3- Blouch 16g | CNT 38mm Up Pipe | Tial 38mm EWG | GS EBCS | ID1000CC | DW255 FP | Invidia N1 Race Catback | CNT Catted DP | STI TMIC | Cobb AP V3 | Cobb SF Intake | H&R coilovers | Rally Armor UR Mud Flaps | Cusco Sway Bars | SS ..... 317whp/317wtq @ 18psi
    1998 Trans Am WS6- MGW short shifter | long tubes | aero chamber catback | LS7 Clutch | other go fast parts
    1978 Camaro RS- 350 crate engine. One wheel burnouts FTW- sold

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  3. #2
    zax
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    The LWG map may help.

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    Registered User DatsikWRX's Avatar
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    If it doesnt, do you know what could be wrong? Sorry if dumb question, still new to all this but trying to learn as much as possible
    2007 WRX Wagon- Stage 3- Blouch 16g | CNT 38mm Up Pipe | Tial 38mm EWG | GS EBCS | ID1000CC | DW255 FP | Invidia N1 Race Catback | CNT Catted DP | STI TMIC | Cobb AP V3 | Cobb SF Intake | H&R coilovers | Rally Armor UR Mud Flaps | Cusco Sway Bars | SS ..... 317whp/317wtq @ 18psi
    1998 Trans Am WS6- MGW short shifter | long tubes | aero chamber catback | LS7 Clutch | other go fast parts
    1978 Camaro RS- 350 crate engine. One wheel burnouts FTW- sold

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    zax
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    Take a datalog with the following parameters:
    - throttle percentage
    - calculated load
    - boost
    - wastegate duty cycle
    - rpm

    3rd gear pull to at least 5000 rpm. Post here.

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    Admiral Ackbar the 1st mycologist's Avatar
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    Zach will be able to help you more if you take that log. In general though any leaks between the turbo, boost control solenoid, and wastegate actuator will increase boost like that.
    "From a little spark may burst a mighty flame." - Dante
    "The stitch is lost unless the thread is knotted." - Italian proverb

  7. #6
    Registered User DatsikWRX's Avatar
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    Ok so I was going to do a log today but the dumb a** new jersey gas attendent who put half a tank of 87 octane in instead of the 93 that I ASKED for put a stop to that.. also, I switched to the low wastegate stage 1 map and I did a pull before the gas incident and it hit 14.8 psi, then another at 14.3. I will put up a map as soon as I get a proper tank of 93
    2007 WRX Wagon- Stage 3- Blouch 16g | CNT 38mm Up Pipe | Tial 38mm EWG | GS EBCS | ID1000CC | DW255 FP | Invidia N1 Race Catback | CNT Catted DP | STI TMIC | Cobb AP V3 | Cobb SF Intake | H&R coilovers | Rally Armor UR Mud Flaps | Cusco Sway Bars | SS ..... 317whp/317wtq @ 18psi
    1998 Trans Am WS6- MGW short shifter | long tubes | aero chamber catback | LS7 Clutch | other go fast parts
    1978 Camaro RS- 350 crate engine. One wheel burnouts FTW- sold

  8. #7
    Registered User DatsikWRX's Avatar
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    Ok so here is my log! Sorry it took so long to put up

    https://docs.google.com/spreadsheets...gid=1666964976
    2007 WRX Wagon- Stage 3- Blouch 16g | CNT 38mm Up Pipe | Tial 38mm EWG | GS EBCS | ID1000CC | DW255 FP | Invidia N1 Race Catback | CNT Catted DP | STI TMIC | Cobb AP V3 | Cobb SF Intake | H&R coilovers | Rally Armor UR Mud Flaps | Cusco Sway Bars | SS ..... 317whp/317wtq @ 18psi
    1998 Trans Am WS6- MGW short shifter | long tubes | aero chamber catback | LS7 Clutch | other go fast parts
    1978 Camaro RS- 350 crate engine. One wheel burnouts FTW- sold

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