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348 check engine codes...

Discussion in 'Technical Q&A' started by MILotus, Jul 2, 2004.

  1. MILotus

    MILotus Karting

    May 20, 2004
    67
    Lansing, Michigan
    Full Name:
    Matthew
    Got a check engine 1-4 yesterday on the 348. The codes I pulled were 1212,Lambda regulation intake manifold compensation;and 1121 RPM sensor.
    Did not seem to affect performance of the car but I am wondering what may be the cause of the MIL. Can anyone point me in the direction of something to check? The car is a 1990.
    Thanks
    Matt
     
  2. likeyoudontknow

    likeyoudontknow Karting
    BANNED

    May 6, 2004
    50
    The 1-4 may be your catalytic converters...check the search engine there are lots of posts regarding this subject...

    likeyoudontknow@hotmail.com
     
  3. MILotus

    MILotus Karting

    May 20, 2004
    67
    Lansing, Michigan
    Full Name:
    Matthew
    after I cleaned ou the codes I went for a drive and the light came on for about 5 min and then went out. Hasn't come on again. Maybe it just was jealous that I was spending too much time in the Esprit?
    Matt
     
  4. Husker

    Husker F1 Veteran
    Silver Subscribed

    Dec 31, 2003
    7,878
    western hemisphere
    What would the 348 experience be without a check engine light?
     

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