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  1. #1

    Join Date
    22 May 2012
    Location
    virginia
    Posts
    2
    Saab(s)
    2005 9-3
    Thumbs Up:   0

    P1312 code, loss of power and uneven running

    I have code p1312 and i feel that if i press on the gas hard the car has difficulties, i thought it was the turbo at 1st because when turbo hit halfway the engine started making a brrrrrr sound kinda felt like backfire i dint know if any of these are symptoms of code p1312

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  2. #2
    Frank Wulfers
    Administrator nordwulf's Avatar
    Join Date
    30 Jul 2010
    Location
    NW Michigan, USA
    Posts
    7,313
    Thumbs Up:   19
    This P1312 thread is for the 9-5 so I'll move this to the 9-3 Workshop.

    The WIS shows this information for P1312 for the 9-3:

    Ionization Signals Implausible, Sooted Sparkplugs
    Uneven running of engine

    Carbonised spark plug
    Electrical fault in connected leads or in ignition coils and CDM
    I would pull the plugs and see what's going on with those. When was the last time they were replaced?

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  3. #3

    Join Date
    22 May 2012
    Location
    virginia
    Posts
    2
    Saab(s)
    2005 9-3
    Thumbs Up:   0
    I don't know the last time there were changed i just got the car form a dealership it was a trad in the dealer didint have time to do anything to it he told me take it for a grand total of $5000. today i used lucas fuel injector cleaner hopefully that works i see.

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