My oxygen sensor is less than a year old, and the box was reset at that time. I have the old one and it will be installed to see if that makes a difference, I'll also be replacing the Temp 2 sensor....again. But, for the most part it seems like the two of those are NOT the cause. My ground straps have been replaced and every wire has been checked for resistance. All the mean while, the engine runs absolutely horribly until fully warm, even then the idle is a tiny bit off. A major vaccuum leak seems to be suspect, yet that wouldnt let the engine run so well when warm or at higher RPMS. I'm very confused. I think my engine's thrown it's "Johnson Rod" -Craig '85GL On 10/8/07, Daniel L. Katz <katzd54@yahoo.com> wrote: > > craig: > > o2 sensor output irrelevant for cold engine. > > if idle choppy, alternator output can fluctuate below B+, and make warning > lights flicker. > > steady bright o2 light is actuated by mileage counter and has nothing to > do with sensor operation; it is a reminder to check or replace o2 sensor > every 60k mi, and reset counter. > > dan > |
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