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Re: 0xygen Sensor....HELP

On Sun, 10 May 1998 16:17:22 -0500, Bob Mansker wrote:

>Trying to take voltage readings on the Oxygen Sensor.
>Have (3) wires from the sensor.... White, White, & Black.
>The Black is the one.
>As the engine idled (hot) I get readings from less than 100mv to 750mv.
>(moves between these 2 readings as it idles.)
>Introduced Propane into intake air chamber with no rise of voltage readings,
>didn't cahange at all.
>Opened up a vacum leak with same results, voltage went from 100mv to 750mv
>even with a vacum leak hissing away.
>I heard that you can pull out the sensor & heat it up with a propane torch &
>this may fix it.

Sounds like the O2 sensor is doing a great job correcting for all those
induced faults. Try the same tricks with the O2 sensor disconnected.

DeWitt Harrison
Boulder, CO
88 5kcstq