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Old 01-16-2007, 12:53 PM   #1
tlatoani
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Default 05 STi: fuel system cleaning at 15k miles?

I stopped by for an oil change and the dealer recommended a fuel system service, which they claim is standard at 15k. I don't see that on the maintenence schedule-am I nuts or are they trying to rip everyone off? They wanted somewhere around $90 for the service. I passed but he said to make sure I do it next time...

thanks
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Old 01-16-2007, 12:58 PM   #2
leecea
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If it's not in the maintenance schedule, it is not a Subaru standard maintenance item.
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Old 01-16-2007, 01:04 PM   #3
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scam... dump in some seafoam, for a grand total savings of $85.
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Old 01-16-2007, 01:32 PM   #4
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Items such as fuel system cleanings, engine flushes, and so on are just dealer add-ons that they put on their service menu to make extra money. There is absolutely no need for this type of service on a properly maintained vehicle unless there is a specific fuel system related problem that may require it. At 15K only minimal service is actually required, mostly an oil change and some inspections, so the dealer is trying to add some profit from your visit.
Subaru does not require or recommend these services.
If you choose to have your car serviced at a dealer vs. going to an independent shop or doing it yourself, bring the manufacturer's official maintenance schedule with you (either from your owners manual or print it out from the Subaru web site), and insist that the dealer perform only the services indicated for your car at the current mileage. If they refuse go elsewhere.
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Old 01-16-2007, 02:25 PM   #5
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Thanks all, that's what I was afraid of. I'm glad I passed on it.
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Old 01-16-2007, 02:30 PM   #6
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Not to mention that the fuel you use already has detergent in it, especially the premium grades which usually have the most.
If it makes you feel better you can get a can of Techron and dump it in the tank at a fillup, preferably right before an oil change, but even that isn't really necessary.
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Old 01-16-2007, 07:24 PM   #7
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Quote:
Originally Posted by Mulder
If you choose to have your car serviced at a dealer vs. going to an independent shop or doing it yourself, bring the manufacturer's official maintenance schedule with you (either from your owners manual or print it out from the Subaru web site), and insist that the dealer perform only the services indicated for your car at the current mileage. If they refuse go elsewhere.
An alignment isnt in the book. So it shouldn't be done?

Now I dont agree on the fuel service at 15,000 miles but I package certain flushes and items in my 30, 60, 90, 120, 150k because talking with my 3 techs that have 50+ years of experience they feel that these packages reduce issues later on. That is why many customers of mine have 100-200k on their cars. However all but 1 item performed in my major services are in Subaru's book to be changed or inspected and changed if needed at that mileage.

I dont even perform a fuel system flush unless there is a related issue. Otherwise at 30, 60 90 105 they get a bottle of fuel system cleaner.
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Old 01-16-2007, 07:59 PM   #8
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http://forums.nasioc.com/forums/showthread.php?t=995498

Mmmmmmmm sticky threads....tasty....
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Old 05-21-2010, 03:02 PM   #9
03WrxNewbie
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I've got a quick question on a related issue....

I have 150k on my 03 bugeye, and it was recently recommended I do fuel system flush.

It did not seem necessary at the time, but now I am seeming to have issues w/ my idle hanging btwm 2-3rpm on it's own and I am wondering if the fuel system flush would help resolve this issue.

The idle issue seems to display itself when it is warmer outside, and when the A/C has been running. It will just stay at 2-3 rpm w/o applying the gas, and then eventually settle back in.

No mods on the vehicle, and need some thoughts before I go blow 100$ for the flush.

I have also read and been told that these flushes can do more harm than good by dislodging deposits holding key components together so I am confused.

Thanks in advance.
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Old 05-21-2010, 08:33 PM   #10
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Quote:
Originally Posted by 03WrxNewbie View Post
I've got a quick question on a related issue....

I have 150k on my 03 bugeye, and it was recently recommended I do fuel system flush.

It did not seem necessary at the time, but now I am seeming to have issues w/ my idle hanging btwm 2-3rpm on it's own and I am wondering if the fuel system flush would help resolve this issue.

The idle issue seems to display itself when it is warmer outside, and when the A/C has been running. It will just stay at 2-3 rpm w/o applying the gas, and then eventually settle back in.

No mods on the vehicle, and need some thoughts before I go blow 100$ for the flush.

I have also read and been told that these flushes can do more harm than good by dislodging deposits holding key components together so I am confused.

Thanks in advance.

the cruise control cable likely needs to be adjusted
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Old 05-21-2010, 10:57 PM   #11
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Quote:
Originally Posted by blackfang View Post
An alignment isnt in the book. So it shouldn't be done?

Now I dont agree on the fuel service at 15,000 miles but I package certain flushes and items in my 30, 60, 90, 120, 150k because talking with my 3 techs that have 50+ years of experience they feel that these packages reduce issues later on. That is why many customers of mine have 100-200k on their cars. However all but 1 item performed in my major services are in Subaru's book to be changed or inspected and changed if needed at that mileage.

I dont even perform a fuel system flush unless there is a related issue. Otherwise at 30, 60 90 105 they get a bottle of fuel system cleaner.

Agreed, but be careful when you mention flushes. The cooling system and oiling system do NOT require or need flushes EVER. FWIW, 100k isn't that much these days, and while impressive on an STI, it's pretty much the norm on even the least maintained vehicles on the road these days.

That being said, Gumout with Regana and Redline Sl-1 are just as good, if not better fuel injector cleaners. I throw a bottle of the Redline in every 20kmi.
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Old 05-22-2010, 09:55 AM   #12
09rexwagon
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Quote:
Originally Posted by gathermewool View Post

That being said, Gumout with Regana and Redline Sl-1 are just as good, if not better fuel injector cleaners. I throw a bottle of the Redline in every 20kmi.
Whole bottle of SI-1? Doesn't it say 3oz per tank of gas? I generally do the 3oz a tank ever 3-4 tanks of gas.

Anyway, I use SI-1. Read somewhere that it has many orders of magnitude more amines than most other fuel injection cleaners.
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Old 05-22-2010, 10:55 AM   #13
gathermewool
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I believe the 3oz/tank is what they call a maintenance dose. Some people experiment with their own versions of maintenance doses of pretty much anything you could think of, from Marvel Mystery Oil to two stroke oil to fuel injector cleaners.

I've heard the same thing about SI-1, and seen a few posts of MSDS.
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