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Old 11-01-2004, 06:39 PM   #1
crazy canuck
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Default Reliability of 2.5L engine

I am looking for information regarding the durability of the 2.5l engine. I am thinking about purchasing a 05 Impreza 2.5RS. This will be a long term vehicle and would expect to put 250-300k on the vehicle over the next 10 years. I keep hearing the hype of the "boxer" engine. Is it that good, and will it hold up for 300k? (I commute a fair distance to work daily).

Thx
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Old 11-01-2004, 07:18 PM   #2
farrell
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hey .....i actually work for subaru. the boxer engine is horizonally opposed. (pistons move like this = = as apposed to V) it gives it a lower center of gravity(better handling and better line of sight) i have a 98 imprezaL with 109k miles and a 2k RS with 70K miles.just change the oil and your good to go.


over all great cars and very reliable , regardless of which one you choose.
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Old 11-01-2004, 08:12 PM   #3
shmler
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i have a 96 legacy outback with 233000 miles on it. it is the 2.2 motor, but still it is amazing... just do the standard matince(sp).
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Old 11-01-2004, 08:18 PM   #4
dmatthew
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Chapter/Region: E. Canada
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I think subaru's have been known to be quite a reliable car throughout the years. Haven't really heard any disaster stories from them
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Old 11-01-2004, 10:01 PM   #5
subijitsu
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I would say that if you did regular maintanence and drove it nicely it would last 300k. Also think about synthetic oils for the RS too. There is much debate on this but if you switch to them when your car is pretty young it will help the longevity. Thats what they say anyway.
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Old 11-02-2004, 12:00 AM   #6
Al_Smokemcrack
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They're great unless your thermostat decides to stick and you ignore the temp guage and cook the pistons. That's how I got a new shortblock.

Please note that it wasn't me who did this. It was a guy I knew. He blew it up. I got the new engine out of it, so it's all good.
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Old 11-02-2004, 12:38 AM   #7
Cujo31
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Definitely a good long term engine. Only unusual maintenance item I can think of are oxygen sensors. (unless that problem has been cleared up since the GC6 era)
I'm on my Fifth front o2 sensor, @ 70,000 miles. *shrug*I keep getting them replaced free under the part warranty every time the CEL comes on for P130 or P133 etc....
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Old 11-02-2004, 03:36 AM   #8
HndaTch627
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Quote:
Originally Posted by Cujo31
Definitely a good long term engine. Only unusual maintenance item I can think of are oxygen sensors. (unless that problem has been cleared up since the GC6 era)
I'm on my Fifth front o2 sensor, @ 70,000 miles. *shrug*I keep getting them replaced free under the part warranty every time the CEL comes on for P130 or P133 etc....
isn't that the truth...but no really theres NOTHING wrong with them right?? okay SOA keep telling yourself that

/me is on the 3rd front of O2
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Old 11-02-2004, 10:53 PM   #9
RyansJDMgc8
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01' 2.5RS
Silver/Carbon Fiber

Impreza GC8

I have a 2001 2.5RS with 98K miles. (Long way to work)
I drive it Very hard when I get a chance. Only major problem I have had was the transmission & clutch but I very much deserved it! I am on my second tranny and 5th clutch. Other than that, I change the oil with Mobil 1 tri-synthetic every 3,000 miles and have changed my o2 sensor 2 times and my knock sensor 1 time. Oh yeah and my 2 front wheel bearings went bad so I had them replaced at like 80K. Other than that, its still running very strong and reliable.
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Old 11-03-2004, 01:09 PM   #10
SubaruImpreza_power
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I seen Subaru's with over 300K on them, I'm at 141,800 Miles right now however I have the EJ18 which is the 1.8L engine, it's a strong willing engine.
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Old 11-03-2004, 01:54 PM   #11
simpreza2
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I have a 97 OB with a phase I ej25 and it has 113k and it just developed the HG problem(oil residue in the overflow tank) .
I also have a 92 Loyale with a ea82 with 200k and no problems except for a small oil leak.
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Old 11-03-2004, 04:36 PM   #12
Siper2
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Yeah I replaced five O2 sensors under Parts Recall #WXW80, too. The first one was at like 6K miles, and after that, they went at about every 10K interval.

That is, until Subaru had an ECU Reflash recall on certain EJ25 engines. I think they discovered that the engine ran too rich, which blew the sensors. Or something like that. My car wasn't in their specified VIN range, but when I had to replace my fifth O2 sensor within my first 60K miles, I guess they changed their minds.

I haven't blown a sensor since. (Now at about 110,550 miles.)

=S2=
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Old 11-03-2004, 05:52 PM   #13
SubaruImpreza_power
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how do you known when to change the O2 sensor?
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Old 11-03-2004, 06:01 PM   #14
RyansJDMgc8
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Quote:
Originally Posted by Siper2
Yeah I replaced five O2 sensors under Parts Recall #WXW80, too. The first one was at like 6K miles, and after that, they went at about every 10K interval.

That is, until Subaru had an ECU Reflash recall on certain EJ25 engines. I think they discovered that the engine ran too rich, which blew the sensors. Or something like that. My car wasn't in their specified VIN range, but when I had to replace my fifth O2 sensor within my first 60K miles, I guess they changed their minds.

I haven't blown a sensor since. (Now at about 110,550 miles.)

=S2=
Yeah my 2001 2.5RS had that recall. They reflashed my ECU for me but I didn't tell a difference performance wise. Probably did help the o2 sensor thing though because I havn't had one go bad since then.
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Old 11-03-2004, 06:04 PM   #15
RyansJDMgc8
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Quote:
Originally Posted by SubaruImpreza_power
how do you known when to change the O2 sensor?
A check Engine Light with a o2 sensor code is a definent reason to change the o2 sensor. Otherwise, if it has been a long time/a lot of miles, and your car is starting to run crappy, it is good to change them while doing matinence on your car. It would make your gas mileage better and your car would have better overall performance.
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Old 11-04-2004, 12:49 AM   #16
Cujo31
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Any of you guys have a recall reference ID number or something for said ECU-Reflash?

I obviously have not had this done yet, and if it prevents future o2 problems, I'm all over it....

However I ask because I'll be heading up to the dealer soon and want to be able to reference the specific issue by number or whatever so I don't sound like a complete doof.

Search turned up
http://forums.nasioc.com/forums/show...Reflash+recall
Hofefully if I mention WWF89 they'll know what the hell I'm talking about?

Last edited by Cujo31; 11-04-2004 at 12:54 AM.
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Old 11-04-2004, 02:08 AM   #17
HndaTch627
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oh yeah, my GF2 has 172k on it and doesn't burn a drop of oil on 3500 mile intervals
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Old 11-04-2004, 02:08 AM   #18
HndaTch627
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'09 Concours 14 ABS Black

Default

Quote:
Originally Posted by Cujo31
Any of you guys have a recall reference ID number or something for said ECU-Reflash?

I obviously have not had this done yet, and if it prevents future o2 problems, I'm all over it....

However I ask because I'll be heading up to the dealer soon and want to be able to reference the specific issue by number or whatever so I don't sound like a complete doof.

Search turned up
http://forums.nasioc.com/forums/show...Reflash+recall
Hofefully if I mention WWF89 they'll know what the hell I'm talking about?
don't worry it won't fix it, i had it done and the car ran worse then when it went in for it and i went from throwing no codes to throwing random misfires here and there
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