Torque Cars

Limited Performance error message on my Aero 9.3 190 TTiD

Discussion in 'SAAB Forums' started by Rim, 5 February 2015.

  1. Rim

    Rim New member

    Messages:
    7
    From:
    Gif sur Yvette, France
    Car:
    Saab Aero 9.3 TTiD
    Hi Everyone,

    I would like to share with you a recent problem with my Saab, and to ask for your advice at the same time. This is, I'm sure, in keeping with the spirit of this web site of which I am a member.
    My 2008 Saab Aero 9.3 1.9 TTiD with a bit over 121000 kms. put up an error code on the SID: Limited Performance". This message was accompanied by an abrupt reduction in speed. ( I had not been driving faster than 110km/hr. ) The performance of the car became limited. I was not able to accelerate… No telltale smoke, engine noise or other indications came to my attention. I pulled over and cut the engine. A minute later I restarted and drove off as if nothing had happened. The error message was gone. A short while later, 5 kms, the event repeats itself.

    I visit my Saab mechanic the following day and leave the car with him for a checkup. The telephone call the next day sets me back. A good thing I was sitting down. The turbo (one of them because this model is equipped with two) is "dead". Ok I don't have a choice so the order is to replace the turbo.

    The turbo is replaced by an original GM part. The particle filter is "regenerated", motor oil and filter changed.. The cooling system is purged and replenished. The car is road tested.

    I pick up my car and pay the bill! Aie aie aie. Needless to say my summer vacations this year will not be what I'd planned.

    On the way home the event repeats itself. I drive back to the garage.. They don't have an answer. They are embarrassed and I'm upset. I leave them the car.

    A week later I get the call I was waiting for: Your car's ready sir.

    What was done? A new intake manifold is installed. (The replaced part, which I have, was quite dirty with ??? stuff that might have been interfering with proper air intake.) The EGR was removed and cleaned. The car was road tested. I am not billed for this work. They tell me that if the event reoccurs I'll have to think about replacing the whole EGR module ( part n° 55212233 or 55212234). That is, the part onto which the EGR valve (which was cleaned) is installed. They tell me that this part might be clogged with soot, etc… thereby impeding a correct breathing/airflow pattern. On the way home the car is almost normal. Something is not 100%. Then, the Limited Performance is up, again, on the SID. At this point I'm close to blowing a 50 amp fuse.

    I love this Saab. And it's my second one. The first one ( a 9.5 Aero) saved my life when I was involved in a high speed accident and where there were serious physical injuries to some of the passengers riding in the vehicles that impacted mine. Saab is a lifesaver. I'm a living witness.

    So, in conclusion, I'm thinking of other alternative solutions like: Kent Turbo FAP (Particle Filter) Cleaner, Bardahl has a solution which injects in doses a cleaner into the intakes while the car is up in the 3400 revs… Can anyone help me on this issue? By the way I don't believe I have seen anyone on this website bring up a problem like this. Perhaps this thread could be source of information to other Saab owners.

    You've been patient up to now if you've gotten to these last lines. Thanks for your help.
     
  2. T9 man

    T9 man TC Pro Founder Moderator

    Messages:
    20,370
    From:
    London, UK
    Car:
    Saab 9-3SS T9
    Hi buddy, it sounds like the garage you are using are just taking guesses at the problem. Do you know if they used a proper Saab Tech II diagnostic unit? I would be very surprised if they did and had to guess at a turbo issue and then get that wrong.
    I am no Saab diesel expert you understand but first I would take a look through your owners manual for the ECU fuse and then remove this for about 30 minutes or so. After this you will need to do an adaption drive where your ECU will start to relearn how you drive and make the necessary adjustments. If the car still messes about after this then I would go elsewhere for advice and possibly the work to be done on the car. You could try these people in France, they are based in Paris and are very good by all accounts: http://www.rbmperformance.com/

    Let us know how you get on :)
     
  3. obi_waynne

    obi_waynne Administrator Staff Member Moderator

    Messages:
    41,128
    From:
    Deal, Kent UK
    Car:
    A3 1.4 TFSI 150 COD
    I took my car in for a full BG intake clean at a local garage and I really rate the results, they did a good job and it made a noticable difference.

    I feel for you there is nothing more frustrating than a car with a phantom fault that you can't track down easily.
     
  4. T9 man

    T9 man TC Pro Founder Moderator

    Messages:
    20,370
    From:
    London, UK
    Car:
    Saab 9-3SS T9
  5. Yugguy

    Yugguy Torque King

    Messages:
    4,789
    From:
    Rugby (expat Preston lad)
    Car:
    Merc C220Cdi Elegan
    I dunno, but it is worth googling for Opel or Vauxhall limited performance as it's the same engine and there's more of them about.
     
  6. T9 man

    T9 man TC Pro Founder Moderator

    Messages:
    20,370
    From:
    London, UK
    Car:
    Saab 9-3SS T9
    I gather that the swirl flaps can be rascals on this which can get stuck and cause the car to display similar symptoms. It is moved via a vacuum pipe and the actuator can become stuck. Also have a look at the DPF and EGR apparently.

    Worth a look!
     
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