Code P1123 and CA smog woes | FerrariChat

Code P1123 and CA smog woes

Discussion in '360/430' started by geffrocks_86, Jan 6, 2010.

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  1. geffrocks_86

    geffrocks_86 Rookie

    Oct 25, 2006
    11
    SF Bay Area
    Hi all and happy new year!

    Long time reader, first time posting....

    I just got back from the BAR (smog referee) and the car is throwing fault code P1123.

    I found the attached code reading, but in my search, I was unable to find any resolution to this.

    The car passes emissions super clean, but the code is causing the Check Engine Light= fail.

    Any suggestions or recommendations to get my car back on the road?

    This is on a 1999 360.

    Many thanks!

    Geoff
     
  2. geffrocks_86

    geffrocks_86 Rookie

    Oct 25, 2006
    11
    SF Bay Area
    #2 geffrocks_86, Jan 6, 2010
    Last edited by a moderator: Sep 7, 2017
  3. Rifledriver

    Rifledriver Three Time F1 World Champ

    Apr 29, 2004
    37,096
    Cowboy Capitol of the World
    Full Name:
    Brian Crall
    #3 Rifledriver, Jan 6, 2010
    Last edited: Jan 6, 2010
    Can be caused by cam timing, O2 sensor or bad air flow sensor. We see all 3 OFTEN. Erase the code, switch banks on the O2 and air flow sensors and see what happens. Can be diagnosed much more easily with SD2. We have been seeing lots of injector nozzle trouble too but is less often symptomatic in that form than the other 3. Also that code is often a combination of the above listed problems.
     
  4. geffrocks_86

    geffrocks_86 Rookie

    Oct 25, 2006
    11
    SF Bay Area
    Brian thanks for chiming in,

    You've seen this car once before in your shop, early '08

    Can I bring it over to you sometime soon and have you work these problems out?
     
  5. Rifledriver

    Rifledriver Three Time F1 World Champ

    Apr 29, 2004
    37,096
    Cowboy Capitol of the World
    Full Name:
    Brian Crall
    Sure. Kind of depends on your definition of soon though. Call and set up an appointment.
     

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