91 348TS CEL code 1211 | FerrariChat
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91 348TS CEL code 1211

Discussion in '348/355' started by rolaszek, Jun 23, 2014.

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  1. rolaszek

    rolaszek Karting

    Apr 28, 2010
    57
    Plainfield, Ill
    Full Name:
    Bob the nubie
    #1 rolaszek, Jun 23, 2014
    Dear brothers and sisters,
    Out for a lieserly Sunday drive, when coughed once, CEL came on (1-4), and proceeded to run on 4 cylinders. Took a while to get home.

    Checked CEL codes 1-4, returned "1211". According to my info, points to a O2 sensor issue.
    Swapped O2 sensors, CEL 5-8 now returned "1211", but so does CEL 1-4. Does this confirm issue as O2 sensor related? Any help on this issue greatly appreciate, as well a any recommended sources for O2 sensors.

    Thanks in advance
     
  2. AceMaster

    AceMaster Three Time F1 World Champ

    Feb 6, 2009
    34,782
    Ontario, Canada
    Full Name:
    Mike
    #2 AceMaster, Jun 23, 2014
    From the site My Ferrari 348

     
  3. vvassallo

    vvassallo F1 Veteran

    Aug 4, 2006
    8,329
    Palos Verdes
    Full Name:
    Vince V
    #3 vvassallo, Jun 23, 2014
    Hmm, another possible MAF failure? Plugzit had one recently too as I recall...
     
  4. copterjon

    copterjon Formula 3
    Silver Subscribed

    Nov 11, 2005
    1,545
    Mesa, Az.
    #4 copterjon, Jun 23, 2014
    Did you clear the codes on 1-4 after you swapped sides? Clear both ECU's and then try again.
     
  5. 3forty8

    3forty8 F1 Rookie
    Owner

    Apr 25, 2006
    2,713
    San Diego
    Full Name:
    Eric
    #5 3forty8, Jun 23, 2014
    When one of my Bosch OEM sensors went bad I replaced it with a Walker from these guys:

    OxygenSensors.com
     

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