Scooby50WRX

Hello ! I'm living in Switzerland and owner of a STI7.
I was in touch with the mapping problems of the 7 since the beginning and was also worry with Subaru for obtaining a ECU re-mapping in the 8 version.
First, the answer was "no way", later "may be" and endly "you can go to your dealer to change the ECU for a re-mapped one" ...free... but I had to promise to keep this for me for some time !

My 7 runs with this New ECU since June and the difference is plenty of good things.

This week, a rumor in Switzerland said that Subaru was offering a ECU exchange for the STI7. I called a "connection" I have at Subaru Swiss and the information is good. The STI7 ECU can be exchanged for new ones with the 8 mapping, coming directly from Subaru Japan.
Subaru says that STI7 motors can "blow out" under hard driving conditions, as I have said in another burning post here some monthes ago, that the wide band lambda measures we have done on my car showed too bigs leans points that are very critical for the motor life...

This ECU exchange is a great new for swiss owners and certainly for France and other european countries.

Well, what next for you in GB ?

As said here, someones say that you have not the same ECU version as us and the mapping version could not be the same but if you have seen so many problems as us, it could be possible that Subaru will offer the same exchange option to you... and don't forget : nothing will move if you are not ready to go ahead to obtain what you are waiting for a so long time.
Good luck my friends !

[Edited by Scooby50WRX - 11/7/2003 9:53:56 PM]

scoobycar60

as titile

Silvafox

iTrader: (1)

I'm ringing Subaru at lunch to see if there's any info on it. I'll post later on.

Silvafox

iTrader: (1)

Well I've just spoken to two Subaru service centres and no one has heard anything about this subject. They said that if there was a recall then the dealers would have to let people know about it through the post (assuming it was bought from a dealer) The only recall they've had on the STI7 was to do with the fuel pump. So I don't know whats going on over in France!

Bob Rawle

In another thread I posted that in Switzerland they have an ecu with a slightly different map/code set which they have been using to overcome performance drop issues due to random knock retard. Maybe this is what you have heard about, the maps are not much different and there is ceratinly no recall iirc.

The rumour mill is grinding .

bob

dowser

scoobyboy

it may be done here as well to cure the starting problem some cars. it's to do with the injectors firing before they see the signal from the crank sensor, which in turn sorts of floods the engine

myp1

the p1 had a prob with the pirelli 18inch tyres with cracks appearing on the inside rim.this was well known within the scooby community but nothing from dealer.i got to hear about a safety recall with pirelli paying to supply and fit new tyres to all owners with the 18inch wheels regardless of where u purchased the tyres and had a nightmare getting dealerships to come up with correct info and supply goods that they were being given free by pirelli
moral of this is dealers will hold back info if they think its going to cost them
u cant trust any bugger these days
if u are in any doubt go straight to subaru uk for info.i went straight to the top man and got it sorted in 1 day after dealer making me run around like a headless chicken

dowser

Just to clarify;

Some STi7's in Switzerland exhibit weird knock correction between 4 and 6k (more normally 5 & 6k).

You rarely see the problem on a standard car, unless it's being caned on track. However, a remap to up the boost through the midrange will see it happen if it's going to. The worst I've seen is -8 degrees through zones that should normally be around +4....that's a lot of timing, and you notice it.

I *guess* it's a problem with the knock correction circuitry which occurs only on LHD drive cars. Subaru's fix is to replace it with a version AG821-2593 ECU, rather than the normal AG820-2591 or 2's (the 2591 and 92 ECU's are the same as their UK counterparts).

EcuTek report the rom file to be identical to it's 2592 brother and just applying this rom file to an older version ECU doesn't fix the problem. I've yet to apply an older rom to the new hardware.

A quick look at the 2 PCB's side by side shows no obvious differences (I confess to not checking the values of the discrete SMT devices ).

Similar problems were reported on this board by a French member, but it was not confirmed that Subaru France were swapping out ECU's. To my knowledge it's only Switzerland so far.

Also note that the replacement ECU is not badged as an STi8 (AHxxxx series) - this is duff information.

Basically, I'm just happy Subaru fixed this so I can get on and map the damned things....it was driving me nuts, especially as UK tuners weren't experiencing the same issues.

Richard

Scooby50WRX

I agree for the crazy knock correction Dowser, this one gives the named "V-Tec effect" on the STI 7, the car suddenly over-accelerate at a precise rev point (around to 6000 on mine).
It's ONE of the problems, and it's not officially the cause of the exchange. Subaru say it's regarding a general fuel management problem.

swaussie

My dealer did confirm that if you have a Swiss STi7 displaying these anamolous characteristics then it will be replaced by Subaru ONLY if the car is completely STOCK standard, and he didnt even bother to try with mine, aftermarket exhaust, etc.

Guess I am now I am stuck with a retarded ECU