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  1. General Troubleshooting and Technical Help
    Hey guys! I have an issue that started just recently. Anytime I put my car under a load (say over 50% throttle) it feels like it’s misfiring/jerking/hesitating, but no codes? The car drives perfectly all the way to redline unless you really dig into it. Just wondering if anyone had any guidance!
  2. EJ25 - 2.5L Non-Turbo (1998-2010)
    So I was driving home last night and about two miles from home I noticed my oil engine light would flash on turns. So I pulled over at a gas station to top it up, but as I pulled in and the car was low rpm I noticed a ticking noise. I topped it up, and turned the engine on and still heard the...
  3. EJ25 - 2.5L Non-Turbo (1998-2010)
    Hey there guys just wondering if anybody can give me some assistance on the Subaru Forrester, 2006 automatic transmission. Belongs to a friend of mine and he’s been clearing the O2 code repetitively for about 70,000 miles. I finally talked him out of this behavior when I told him that he could...
  4. EJ25 - 2.5L Non-Turbo (1998-2010)
    2006 X Premium Trim with the 2.5 Non Turbo, 192k on the clock. Bought it from a friend at work for ~$250 out of pocket ($750 total, gave them a computer), knowing it had a Cylinder 3 Misfire, and after reading on here and having previous knowledge, I went down the rabbit hole of fixing. Ran...
  5. EJ25 - 2.5L Non-Turbo (1998-2010)
    I started my 2004 foz x this moring and it was only idling on 3 cylinders, 1 cylinder worth of unburnt fuel coming out the exhaust pipe, it idle rpm is all over the place when i give it any accelerator then let it idle Ive swaped the idle air control Solenoid from my brothers hawkeye impreza and...
  6. General Troubleshooting and Technical Help
    Still learning how to work on cars. Over the weekend I found my car shaking pretty significantly when under revved Engine code flashed and I connected my cheap obd2 scanner which threw a P0302 code I tried the basic misting spray test at night twice and found no arcing. Removed the HT leads for...
  7. EJ25 - 2.5L Turbocharged (2004-2013)
    EDIT: moved to the wrong sub-forum - FA20E 2.0L turbo - DIT As the title says I'm having rough idle / misfires for the first ~30 seconds after start up. After this start sequence finishes, the revs smooth out and immediately the misfires stop. This happens without fail unless the engine is warm...
  8. EJ20 - 2.0L Turbocharged
    I have a 2006 fxt that’s sg5 ej205 swapped with Cobb ap stage 2 tune, getting a misfire on cylinder 4 code so I replaced all spark plugs and cylinder 4 coil pack and it’s still misfiring. I know my up pipe is cracked and I have new headers and up pipe to put on the car but I’m not sure that this...
  9. General Troubleshooting and Technical Help
    So a few weeks ago, I was driving home on the highway with the cruise control set around 80, however while going uphill it down shifted, shifting into passing gear, and everything fell apart from there. Check engine light came on, cruise control disabled, you name it. When I got home, I used an...
  10. General Troubleshooting and Technical Help
    Hey everyone, looking for some guidance or better yet someone who’s encountered this issue before. I daily an 04 Forster with an ej251 and an auto trans. If I’m cruising around 40-50 mph and the trans has to downshift from 4 to 3rd, the car will lose power and shudder. I originally thought that...
  11. EJ25 - 2.5L Non-Turbo (1998-2010)
    Went on a trip last week, about 250 miles there & back. Changed the oil right before I left. Topping it up a little bit the last time, I lazily opted to not use a funnel, and very predictably spilled oil all over the camshaft position sensor and it's plug. The oil fill is directly above this...
  12. FB25 - 2.5L Non-Turbo (2011- 2018)
    I have a 2012 Forester with the FB25 NA engine. I'm getting a very sporadic P301 and P302 codes when accelerating at highway speeds, clear the code and it goes away, drive another 1000km and it might come back again. I was going to check the coil packs first to make sure that they're still good...
  13. EJ25 - 2.5L Turbocharged (2004-2013)
    Recently I made a thread about a cylinder misfire and trying to locate the coil for cylinder 4. I've been getting error code p0304 for a while now and only recently has the cylinder been actually misfiring. Before it would bring up the code but I wouldn't actually feel the misfire as it wasn't...
  14. EJ25 - 2.5L Turbocharged (2004-2013)
    I have a misfire on cylinder 4 and im pretty sure its the coil, but unlike 1 and 3 (on the left side when facing car from front), i cannot seem to find the coil. Either its hard to see or its somewhere im not looking. If anyone has the same model, can you please attach a photo highlighting the...
  15. General Troubleshooting and Technical Help
    Hello, I’ve been having troubles with my subie for about a month now, the problem is when I start the car cylinder roughness on 2 skyrockets and it’s only this cylinder as well. All other cylinders keep roughness at around 2 MAX however, cylinder 2 has roughness that has climbed as high as 100...
  16. General Troubleshooting and Technical Help
    2007 Forester X. Bone stock. 154k miles. I bought the car in November, it is not july and it's dead. I had a no start issue in the winter and i solved that by replacing all my grounds, battery, alternator, spark distributor, spark wires, spark plugs. Things were good for a while then it started...
  17. General Troubleshooting and Technical Help
    As title say, does the 2011 Forester XT shut off fuel injection to the cylinder when misfire is detected? I've got a p0304 code and I think it's the spark plug but in order to check, I need tools that are 120km away at home, which I plan on going to tomorrow. I just want to know this because I...
  18. General Troubleshooting and Technical Help
    This is on a 2015 Subaru Forester. My sister plugged in a connector into the OBD2 connector to get supposedly better fuel mileage. Once she started to drive it came up with an ABS issue, a misfire issue and a transmission failure issue. Does anyone have a clue as to what this device has done?
  19. EJ25 - 2.5L Turbocharged (2004-2013)
    Hey all, my 04 Forester let me down Christmas Day, of all days with a terrible misfire. I was able to limp the old girl home and get some well needed maintenance done. Plugs and coils all around and she was back on all 4! Noticed the timing belt was in dire need of replacement. Done and done...
  20. General Troubleshooting and Technical Help
    Hoping to post here and get some ideas as to what is wrong with my forester. I love the car but we have been chasing a grimlin trying to find what is causing the problems… Sometimes has rough idle, also sometimes doesn’t want to start, when fully pinned the engine jolts and stutters under...
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