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360 P1154 which is Bank 2?

Discussion in '360/430' started by FiatAbarth850, Oct 1, 2020.

  1. FiatAbarth850

    FiatAbarth850 Karting

    Aug 2, 2020
    63
    Winnipeg, Manitoba, Canada
    Full Name:
    Bill H.
    #1 FiatAbarth850, Oct 1, 2020
    My CEL light seems to be the result of only one code P1154. Which is Bank 2? Does the "Lower" refer to the downstream O2 sensor? Is there a most common problem that generates this code.....might be better to ask if there is a most common way to fix the cause of this code? Thanks for any input. Bill

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  2. 24000rpm

    24000rpm F1 Rookie
    Silver Subscribed

    Aug 31, 2012
    3,945
    China and California
    #2 24000rpm, Oct 1, 2020
    system too lean means air is too much.

    I'd say something is leaking air around your intake.
     
  3. epb0

    epb0 Rookie

    Feb 27, 2015
    31
    FRANCE
    #3 epb0, Oct 2, 2020
    Bank 2 is on lelft side of the car.
    Check leaking air (admission & exhaust) and fuel system (fuel pressure and injecteur flow)
     
  4. 74dino246gts

    74dino246gts Karting
    Silver Subscribed

    Aug 6, 2004
    68
    Northern California
    #4 74dino246gts, Oct 4, 2020
    I had a similar code, p1160, and it was remedied by replacing the MAF sensor.
     
  5. 74dino246gts

    74dino246gts Karting
    Silver Subscribed

    Aug 6, 2004
    68
    Northern California
    #5 74dino246gts, Oct 4, 2020
    Should also note that the right side MAF senses for the left bank (bank 2)
     

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  6. FiatAbarth850

    FiatAbarth850 Karting

    Aug 2, 2020
    63
    Winnipeg, Manitoba, Canada
    Full Name:
    Bill H.
    #6 FiatAbarth850, Oct 4, 2020
    That's because of the cross over design of the intake plenums and runners?
     
  7. 74dino246gts

    74dino246gts Karting
    Silver Subscribed

    Aug 6, 2004
    68
    Northern California
    #7 74dino246gts, Oct 4, 2020
    Yes. You might try swapping the MAFs and see if the codes change.
     

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