Can Someone explain:
05-16-2004, 06:13 PM
#1
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Can Someone explain:
why does the A/F ratio reads leaner when misfires occurs? today i was tuning @ 26lbs and all was good. the A/F ratio was between 12.1 - 11.7. then boom, on the next run it starts to break and the A/F ratio went from 13.0 - 12.8. WTF!!
05-16-2004, 07:04 PM
#2
Re: Can Someone explain: (b00stedbyFastrax)
Because the O2 sensor is measuring % of oxygen in the air...if there is a misfire, the fuel isnt burnt and neither is the normal amount of oxygen that would have been so the sensor reads a higher % of oxygen which relates to a leaner mixture.
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