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  1. General Maintenance, Troubleshooting & Accidents.
    Hey all, I drive a 2016 wrx with about 81k miles. I had the engine completely rebuilt at 79k miles and it’s been running fine since up till now. I usually would peak at up to 22psi (on the cars boost gauge) but lately I haven’t been able to make my usual numbers. I’ve been peaking at around 18...
  2. General Maintenance, Troubleshooting & Accidents.
    Hello all. About 1400 miles ago I bought a blown up 2016 WRX off marketplace. The car was in very good condition, apart from the engine of course . It needed a new short block along with a couple other things. We also had the turbo rebuilt. The car has been on stock tune with no mods since then...
  3. Engine Modifications
    Hi guys, Just got a 2019 WRX 6MT base in June. It has been awesome until a couple days ago. I noticed that under normal driving I was struggling to hit boost at all and maxing out at around 7psi when I give it more acceleration. I suspected a boost leak but my chargepipe and throttle body...
  4. General Maintenance, Troubleshooting & Accidents.
    Hi, so I have a 2006 wrx limited. Originally it would reach 18-20 psi and get up there ratcher fast. I had an issue one night where it didn’t want to boost over 10psi and would randomly feel like it would cut out. I cleaned my MAF and I had unplugged my grimspeed 3 port boost controller and...
  5. General Maintenance, Troubleshooting & Accidents.
    I recently purchased a 2005 WRX about 5 months ago and it has always pulled great up until two days ago. I put it into second gear, was at 3kish RPMS and gave it all the gas by the time I hit 15psi and 5500-6k rpm’s the engine felt like it wanted to stop, almost felt like I kicked the clutch in...
  6. Maintenance, service, and repair
    On my way home from work i noticed i was only making 7-8 PSI. I then did a pull to see if i could make 15 PSI like i usually make, but had no such luck, still only made 8-9 PSI. Reasons boost cant hit values it should be able to?????
  7. Engine Modifications
    I have a 08 wrx and I had the IHI vf52 turbo but it blew I was looking for some advice if I should run a different turbo or get the same one?
  8. Tuning: Electronic Engine Management
    I have been having really annoying issues with boost spiking/control/stability. It has been going on for a few months and I feel like I have searched every corner of the internet for a possible solution so I finally decided I'd ask here. For context: I have a 2002 WRX running a Cobb Stage 2+...
  9. 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...
  10. Maintenance, service, and repair
    2004 wrx here, so when I’m in 4th gear or like 3rd and I start to open the throttle pretty quickly at a steady pace I would say like 70% the car simply will just shutter and slowing climb trying to go past 3500 rpm’s And during this the air to fuel ratio is at 8:1. Almost like it’s just reached...
  11. General Maintenance, Troubleshooting & Accidents.
    02 Wagon, 2.5 block (build internals [yet to be validated] ) with 2.0 heads, stock turbo and BPV. Cobb stage 1 with some random tune from a guy who doesn't respond to calls or emails apparently (MoBetta tuning in San Diego). Bought this beut from a previous owner. Been driving it a while and...
  12. Engine Modifications
    Would it safe to up my boost of my 2011 wrx higher then 17lbs I'm now stock boost 14.~ Just wondering if installed a wideband and got a boost controller of some sort. Also upgraded my fuel pump to warlbro 255 if I could push a few more pounds then 17.....
  13. General Maintenance, Troubleshooting & Accidents.
    Hey all first time poster here, I have a 2010 wrx with a turbo xs catted downpipe that is otherwise completely stock. Over the last couple weeks I’ve been noticing that the car has trouble building boost fast but still hits peak boost. I’m not sure if it’s a boost leak as I’ve done a smoke test...
  14. General Maintenance, Troubleshooting & Accidents.
    Hello all, I am extremely new to the Subaru world. I have always loved these cars since I first seen it in 2004. I just recently purchased a 2004 WRX Impreza Wagon. It's not perfect, definitely will need some love which I intend on doing. I just had this recent issue come up. When starting the...
  15. Engine Modifications
    Okay, I’ll start with a list of mods, then go into a description of what’s going on… Mods: Cobb SF Intake (bought the vehicle with it…) Accessport v3 Cobb Catted Downpipe SPT exhaust (factory) Stage 2+ Cobb OTS tune (93oct) Mishimoto IC to TB hose Reman engine (sharper edge) Reman turbo (oem...
  16. Everyday Impreza Talk
    Hello, I'm about to purchase a 03 Subaru Impreza wrx. In the description it says the owner tuned to boost pressure to 15 psi, is this a safe pressure or will it wear out the internals faster or damage components. Thanks for replying in advance
  17. Engine Performance
    Hello everyone, I just purchased a 2105 WRX with ~85,000 miles. The car is in great shape and only has an aftermarket intake. While driving back home on a 5 hour drive I noticed that when I go full throttle in any gear there is a hesitation in acceleration. The car either bogs down or the power...
  18. Tuning: Electronic Engine Management
    Hey guys i have a 2012 wrx that i purchased a few months ago and i bought it with a custom dyno tune that is flashed off of cobb accessport and i just had the turbo replaced a month or so ago the car is about 94k miles and when i flash the tune everything is fine and it builds boost up to 20.5...
  19. General Maintenance, Troubleshooting & Accidents.
    This is driving me nuts. I usually shift at 3k driving around the city with about 20% throttle and never fully get out of vacuum. Is this the case with everyone? Looking at my logs the closest I get is -0.9. Seems like I should be at least seeing 0 no?
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