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air fuel ratios on a standard B18C7

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    air fuel ratios on a standard B18C7

    hey guys, my car has a wideband o2 sensor in it and i think that it may running lean.


    under very light throttle i notice it jumps right up 15-20 and even the reader sometimes says 'lean'.

    i was under the impression that it should be around 14?

    under heavy throttle it goes upto 15 sometimes, is that ok?

    its a hondata s300j ecu if that helps



    any input will be appreciated!
    k20A DC2R

    #2
    at light throttle/idle - it should swing around 14.7 - so 13 to 16 depending on what WB sensor you are using...

    at WOT it should be 12:1 - not 15:1

    what WB are you using?
    ... retired/

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      #3
      try a diff map sensor ??

      Comment


        #4
        hmm not to sure what the actual model is, maybe its faulty?
        k20A DC2R

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          #5
          mmmm hopefully cause that pretty lean mix for WOT

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