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Crome, P06, IAB's and weirdness

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    #1

    Crome, P06, IAB's and weirdness

    So, I've been working on my cb7 and wanted to go as much DIY as I could. I decided to get a wideband and tune with crome free and freelogger.

    This has been a slow process as I need to find time for my brother to drive as I use the laptop, but I've basically got the fuel map where I like it.... until....

    The other day my brother took the car, maybe a 30minute drive max, and got home and said "the wideband reads 19 basically all the time, unless I floor it, it goes to 15 and then back to 19". WHAAAT????

    So I load an earlier map and we go for a drive. I basically end up adding TONS of fuel to the higher vacuum points of the fuel map.

    Any ideas? It's been fine since then. Why could it need more fuel all of a sudden? I thought maybe a vacuum leak, but it still idled at 900rpm without any tweaking of that map in that section.
    Bought from: Night Wolf, bassrock234, sonikaccord, 904drACCORDMANG

    92 Accord, F23a franken-engine, N/A forever.
    Tags: None
    #2
    Look at your temperature read outs on free log. If it gets super hot around 210 degrees it could exhibit similar symptoms. In that case you would need to go into the advanced tables and adjust.

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      #3
      Well I don't think it was caused by temperature since he just drove to the store and back within 30minutes. That's barely long enough to get the car warmed up.
      Bought from: Night Wolf, bassrock234, sonikaccord, 904drACCORDMANG

      92 Accord, F23a franken-engine, N/A forever.

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        #4
        IAT and ECT temperature columns are important to check and adjust. It's not always just adjusting the cells.

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          #5
          Could be the age old IAT heat soak issue.. Like skaterdudz mentioned, have a look at the datalog and see what those temps are at

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