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  1. 2.5 Liter/Litre Factory Motor
    So I bought a 2013 STI back in July and it ran alright for a month or so until I was coming to a stop and the car died. The dash lights and all stayed on but the engine itself stopped running. Since then I have tested the battery, replaced the alternator, checked fuses, combustion & compression...
  2. 2015+ STI Discussion
    Hey all, reposting from reddit hoping to find some sort of clarification but I recently picked up my first STi after wanting one for years. I picked up a 2020 STi base model. I want to add the Subaru OEM blind spot detection system to my car and I called a Subaru dealer and they said it would be...
  3. 2015+ STI Discussion
    On a regular day I drive about 30-40 miles to and from work, my sti still sadly is a daily, following last night home (around 2:40am) I noticed a burning clutch smell (71k miles bought it at 60k miles). It is a 2018 Sti stock. Anyways following back with the story I decided to let it sit for...
  4. 2015+ STI Discussion
    Hey all, totally new here and also not entirely sure if this is the appropriate place to post this (so if there's somewhere else I should repost this let me know and I'll delete this post and reupload elsewhere) but I've been toying with the idea of doing an EJ25 build from the ground up with...
  5. General Subaru Discussion
    Just recently i was driving my STi, when i noticed my DAM dropped to 0.438 and my car felt sluggish, pulled over and to my surprise the oil cap came off while i was driving. Must’ve been the genius tech who worked on my car before me that didn’t tighten it down… It was only a 6 mile drive, since...
  6. General Subaru Discussion
    Hi, I'm new to the Subie world. My issue is my dome light won't work at all. I've changed the bulb, and fuse which I believe is the #12 20A in the fuse box in the engine bay. It's a 2006 Hawkeye. Any help or suggestions would be appreciated. I've read a thread here talking about this topic, and...
  7. General Subaru Discussion
    I cannot for the life of me figure out what is wrong... i changed the sparks/coil packs, checked TPS and IACV sensors and they are fine, no power loss from the engine EXCEPT in 6th gear.. MAF, AFR, DAM, Fuel Pump, all read fine... no knock, normal oil consumption.... P0303 is brand new as of 5...
  8. 2015+ STI Discussion
    I was wondering if anyone knew any good fog light covers that will complete cover that hole if i take out the original cover and fog lights. i know i need c switchback lights and i am willing to do that because i hate the look of the fog lights. Does anyone also know if the 18 fog light covers...
  9. 2015+ STI Discussion
    Need some help here guys, just installed bigger injectors, flex fuel kit, radium fuel pressure regulator about 3 days ago. Drive the car today and it has cylinder roughness on all 4 cylinders! Feels like a misfire and takes a while to accelerate. What would be the cause? car didn’t do this...
  10. 2015+ STI Discussion
    SI drive flashing S, traction control, cruise control flashing. Installed ** Cobb- flex fuel sensor/ fuel pressure/ sf ram intake Turbo smart- FPR AEM- x-series UEGO gauge p/n 30-0300 Tomei- equal length header/up pipe TB6010-SB02B Grimmspeed- catted down pipe/ Ebcs Crawford - AOS v3 Injector...
  11. General Subaru Discussion
    A month ago I purchased a new to me 2011 Subaru STI with only 40K miles! It was pretty rough but after some TLC I'm pretty happy with it. The car had a check engine light for Secondary Air Valve when I purchased the car. I installed Ktech blocking plates and plan to have those engine codes...
  12. FAQ/Newbie Forum
    Hey everyone, I am planning on buying a 2021 STI, never owned a subie before, know people who have many years ago but no one with anything newer than a Hawkeye. A lot of people I know always saythe EJ isn’t reliable. I know they had issues with the block before and overheating cylinders but are...
  13. FAQ/Newbie Forum
    I just picked up an 05 STi and it was running fine. I went to install an accessport and now the vehicle has a hard time accelerating but will build boost. It almost feel as if i were hitting the rev limiter. Could i be that the vehicle has a grimm speed boost control and the tune it is currently...
  14. FAQ/Newbie Forum
    Hey guys, I'm new to this forum and sorta new to Subarus, especially an STI. Soon, I'll have my 2008 STI hatch on the road after a full engine rebuild. All stock, with the exception of a catted Invidia down pipe. I know the basics of Subaru and their common issues, however I'd like to get more...
  15. General Subaru Discussion
    So I was looking under the dash on the drivers side of my 2016 sti and noticed this box with what looks like a dial and max and min values on it its spliced in to a few wires off the ecu its also has at least 2 thicker gauge orange wires not sure where they are connected to any help would be...
  16. GD-General
    okay so I literally just bought a 2004 wrx sti and the guy before me did not tighten down the lug nuts and they came off on the front left of the car and proceeded to rip the bottom half of my fender off and after this I lost power to all the window and to the cluster on the dash but I didn't...
  17. GD-General
    Hello, To start off I have a 07 STI Limited, Parts on car: IAG stage 2 Tuff block IAG AOS Tomei UEL Headers, Up pipe, Downpipe and Cat back IAG Oil Feed Line Act Clutch Kartboy short throw Accessport Pro Tune The rest of the car engine wise is stock. So when I replaced the Oil feed...
  18. 2015+ STI Discussion
    I'm not sure where to post this but I am out of ideas and stumped. I'm experiencing some sputtering and running rich while WOT passing 5-6k rpms. The problem slowly began as a slight power loss. Tuner detects slight misfires on cylinder 1 and 4 (already swapped coilpacks) motor was rebuilt 10k...
  19. FAQ/Newbie Forum
    I’ve had this car for about 6 months now and recently noticed a slight oil leak. I don’t even know what the part is called. Haven’t had any issues with the car. Was hoping one of you subi wizards can help me out. Whatever that blue plug is connected to that’s where it’s coming from.
  20. Detailing & Car Care
    I think my waterbottle leaked, and my passenger seat was pretty wet / possibly soaked. I'm in a 2016 sti with Alcantara heated seats. Is there anything I need to do to ensure this doesn't get ruined?? I've got the heater on HI, and I warmed up a towel in my dryer and set it on the seat, as...
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