24hoursoflemons

  1. 220ksho

    Can an O2 sensor error lead to misfiring during sustained max load?

    Symptom: A subtle miss that progressed from “barely noticeable” to “nearly un-driveable” Occurrence: Hard driving on racetrack, WOT to redline, over and over. i.e. Racing. Ran perfectly for about an hour, then the first miss was felt. The subtle miss slowly progressed to a constant stumble...
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