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  1. FB25DI - 2.5L Non-Turbo Direct Injection (2019+)
    I have 60K+ miles and am in process of changing the spark plugs. I was able to change the passenger side front and rear plugs and the driver's side front plug. I can not get the rear plug out. I can not get the rear pencil coil off the plug as it hits the frame rail. Are there any tips or...
  2. General Troubleshooting and Technical Help
    Hi there! New to the community but glad to be here. I own a 2017 forester 2.5 with 53,000. I'm the second owner. The car has been well maintained (since I got it, 15k ago). I took the car cross country this summer, and noticed worse gas mileage that normal, toward the end of my trip. I also...
  3. FB25 - 2.5L Non-Turbo (2011- 2018)
    I replaced the plugs on my 2015 2.5i a couple of days ago, using the NGK laser iridium plugs (SILZKAR7B11). I did the throttle body and idle relearn process, and the car seems to run OK (no codes, misfires or vibrations), but the throttle response feels laggy and different. Before I changed the...
  4. General Troubleshooting and Technical Help
    Hi, I got a 2006 Subaru Forester JDM non turbo. I recently ordered some spark plugs because I had a couple misfires but no check engine lights are triggered but I could definitely hear them. If I was to not start the Subie in a matter of two days it would realease some white smoke but it would...
  5. EJ25 - 2.5L Non-Turbo (1998-2010)
    I made a seperate post about a rough idle. This should definitely fall under a new thread because some of the answers led me to suspect that while the car is most definitely a 2002, the ECU may not be. A friend told me the engine in my car is a 2003... It threw a P0171 code, and all my research...
  6. EJ25 - 2.5L Non-Turbo (1998-2010)
    Hey guys, Trying to decide which spark plug brand to use for 07 Forester 2.5L auto non-turbo. Was leaning towards getting them from dealership parts department. The dealership guy said that plugs COULD be platinum, but he was not sure if they were Iridium . So which one would you go for ...
  7. General Troubleshooting and Technical Help
    Hey guys, I've had one problem after another on a 2003 subaru forester just got the power steering fixed and think it's possible sum oil may have gotten in plug 3, but cylinder 1 is fine, the closest to the power steering reservoir, and 2 and 4 wouldn't have gotten any power steering fluid in...
  8. General Troubleshooting and Technical Help
    I recently did some general maintenance on my 99 subaru forester (plugs gapped at .044 and wires) and did an oil pan swap since my threading for the drain plug was a bit stripped causing a minor oil leak. Once everything was put back together, the car will start up for a moment the start...
  9. EJ25 - 2.5L Non-Turbo (1998-2010)
    So I'm starting to wonder if this is a common problem with my make. I have a 2009 Forester and so far I've had two spark plugs blow out. From each head!! The first one was driver's side front, tried the helicoil and failed so ended up replacing the head. And now it has happened again on the...
  10. Sourcing Parts & Accessories
    I'm wondering about the best aftermarket maintenance stuff for a 2014 XT: • Best Oil? • Best Spark Plugs? • Cleanable/reusable oil filter, Y or N - Best one? • Cleanable/reusable air filter - best one? Wondering about Marvel's Mystery Oil - either in the gasoline or the crankcase. I've used...
  11. EJ25 - 2.5L Non-Turbo (1998-2010)
    Is there a good writeup with pictures and/or a video about how to do them on a 98? As you may know, the 98 is different from the 99+ since it has the DOHC EJ25D and the spark plugs are in a different location. I know it's difficult, and therefore ruthenium is a must so you'll never have to do...
  12. General Troubleshooting and Technical Help
    Hi, I'll be changing the 40,000km old platinum plugs in my 2005 XT and wanting to know if/what the performance changes are (if any) with either copper or laser iridium? Cheers!
  13. General Troubleshooting and Technical Help
    I recently bought a 2007 Forester with about 150, 000 miles on it. I took it to my mechanic to get a tune up. He can’t remove the spark plugs. He said he can back them out minimally but that is as far as they will go. I’ve taken it back 3 times so he can put some sort of lube on them but they...
  14. EJ25 - 2.5L Turbocharged (2004-2013)
    Hey guys, I wanted to get you guys opinion, I recently did a spark plug change, I got the NGK off amazon, shipped and sold by amazon. I had trouble torque the last spark plug in, driver side rear. It felt tight but that might have been because of the all the adapter and attachment I used to...
  15. General Troubleshooting and Technical Help
    hey guys, so I have a 2005 Forester manual 5speed that wont start in the cold. First a little info on the car, I bought it in the spring of this year in New York and replaced the steering rack a few months later. The car has 150,000 miles on it but has a second engine put in from the previous...
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