At 11:43 AM 9/3/00 -0500, you wrote:
>Interesting question as to which way the o2 sensor would go. I'd would have
>thought it would show a lean condition. The o2 sensor measures the amount of
>oxygen in the exhaust stream and normally the o2 gets used up in the process
>of combustion. Since a missing cylinder will have a butt load of o2 going
>out the exhaust valve it would seem that the o2 sensor voltage would be
>driven to the lean end of the scale. Anyone ever put a meter on the sensor
>and removed a plug wire? Which way does it go? Regards, Mike Klinke
Good point. I think that the o2 sensor would put out a high voltage
(indicating a great amount of unburnt o2 in the exhaust) and the PCM would
take this input, do its little thing, and shortened up the injectors pulse
width
(i.e. lean out the mixture). Any thoughts?
Bob
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