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  1. Engine Modifications
    Just found out my 2013 has an EJ20 instead of EJ255. I am trying to find information about the engine and what it means for future repairs/upgrades. Also would like to know more about the specs. From everything I’ve looked at so far, it looks like it’s an EJ20X/Y. What I can see it has single...
  2. General Maintenance, Troubleshooting & Accidents.
    Been running into a problem lately with my 04' STI. First time it happened when I put fuel in it a went to the store. When I was looking for a parking spot, I stopped and the car started jumping in RPM like someone installed a phat cam into it. No throttle response or anything, I sat and tried...
  3. General Maintenance, Troubleshooting & Accidents.
    I cannot start engine. it is the movie→Here! Message is…… VDC C.DIFF Hil assist And this shot……… U1201(what is BCM?) How can i fix?
  4. Everyday Impreza Talk
    The car i got is a 2008 Subaru WRX. It came with the cheap EJ20 the last owner swapped in. I put in a lot of power mods and a STI 6-speed and now want to put in a real EJ25. A buddy of mine offered to trade his EJ25 out of is 05 base model automatic Legacy. If i was to put in his motor into this...
  5. Engine Modifications
    Hello, I have a 2002 Subaru WRX with 28k miles on the engine a new stock turbo and new hoses all around. It seems when I try to get on my throttle that I look at my boost gauges it says that I'm running 11 psi but feels like I'm still driving before the boost hit. So I'm saying basically it...
  6. General Maintenance, Troubleshooting & Accidents.
    Long story short I have a 02 wrx Ej205 JDM swap non AVCS Invidia downpipe K&N intake Boost gauge Stage 2 clutch CEL for p1507 Changed the iacv and checked it was working. also cleaned it Checked for vacuum leaks, only a very minor one at intake manifold Oil leak from oil return line Car...
  7. General Maintenance, Troubleshooting & Accidents.
    I am having a very difficult time diagnosing my 2004 Automatic WRX and want an opinion from some expert Subi masters. Problem: I am unable to rev past 4500 RPM, I get little (0.5 PSI) to no boost but I am able to hear my blow-off valve activate and my turbo spooling. I get horrible gas mileage...
  8. General Maintenance, Troubleshooting & Accidents.
    As im pumping gas it keeps clicking like it is full.. how all this started is i had some high octane racing fuel and i put just like a gallon in my car with one of those handheld pumps to pump it in the car. Well when i went to pull the hose out it acted like it was stuck, didnt tear any of the...
  9. STi Transmission/Drivetrain
    I recently got a 2008 Subaru WRX. It had an engine swap and now has a JDM EJ20 from an STI. I need to get a 6 speed for this engine. does it matter if the transmission is a JDM 6 speed sti trans or can it be a USDM 6 speed STI trans? and how bad is it to be running a base wrx 5 speed with a EJ20?
  10. General Maintenance, Troubleshooting & Accidents.
    I recently bought a 2013 Subaru Impreza WRX STI, I had it for 17 days and it blew multiple rods. Decided to keep the car and pay a shop to drop a new small block in it for 10,000$. They had my vehicle in their shop for upwards of two months and never gave me a clear insight on when I could...
  11. General Maintenance, Troubleshooting & Accidents.
    Hello all, I’m new to the subie world and I’m wanting an opinion on where I should start to track down my DAM and Feedback Knock issue. The dam dropped all the way down to .500, the highest Feedback knock I registered was -4.44 and that was at around 3000RPM. I’ve recently bought the car, has...
  12. Transmission & AWD
    Ok so I've searched and cannot find an answer. I need a replacement and my car has the TY758VW2AA 2009 5mt what is the difference between it and the TY758VW1AA 5mt ? The 1AA is abundantly for sale, while the 2AA is almost nowhere.
  13. General Maintenance, Troubleshooting & Accidents.
    Hey everyone, I’m new to the site and need some advice. I’m a bit inexperienced when it comes to access ports and such. I have a 2020 WRX base with 20k. The only thing I have installed is the Cobb stage 1+ Big SF with the OTS tune. I was driving home this evening and I noticed the DAM dropped to...
  14. Maintenance, service, and repair
    alright so not sure whats happening at all, but any thoughts would help! Also feel free to call me a dumbass cause I learned to not just think YouTube makes you a pro 😂 ‘06 Wrx TR. Found a tear in my turbo inlet, replaced with Perrin silicone one (which was the most frustrating thing getting...
  15. Tuning: Electronic Engine Management
    My car (2002 wrx) was pulling -11.95 fine knock under daily driving circumstances like slowly accelerating at a light. The ecu was reset and now there is the occasional-2.11 feedback knock and fairly low knock learn numbers (-1.76) but now the DAM is low which I know after a reset is normal...
  16. Maintenance, service, and repair
    Hey guys , hope everyone is doing fine .New to this , but I am having a bit of a power issue . I replaced my alternator/power steering belt due to it squealing . Disconnect my battery , loosen the tensioner bolt and got a new belt at the auto part store (I took the belt to match the same length...
  17. Maintenance, service, and repair
    So I've had this 04 wrx wagon, basically stock other than a perrin intake and this week I have started having this issue where it feels like I'm losing power over 10psi of boost. At around 3-k rpm it kind of chokes out and i lose any power until i drop it to below 10psi. I think its my map...
  18. Maintenance, service, and repair
    So I’ve never had any issues with my car ever and randomly my car shuts off while driving and blows the ignition fuse. I’ve been protuned for over 3 years and not one issue. I took it to the dealership after uninstalling my tune for them to look at it and they said it was “fine” and that nothing...
  19. Everyday Impreza Talk
    hey guys i’ve been looking at a 2008 impreza wrx hatchback it’s the premium and has 87 thousand miles on it and is being sold at a dealer for 10k this would be my first car but as i done research the 2008 wrx is supposedly the slowest most hated year i was looking to add a bigger turbo in the...
  20. Engine Modifications
    Ok i need help I need a good trans that can handle big power for a 07 wrx my trans has completely gone to shit and i need a new /better one that can actually hold the power that im going to run.
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