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Re: Oxygen sensor?
> Date: Tue, 23 Feb 93 17:13:56 EST
> From: email@example.com
> Content-Length: 1218
> >I am wondering if anyone has had any similar experience or advice. I
> >have a 1990 80 Quattro, and was driving from Hudson, NY to Baltimore,
> >MD on sunday afternoon/evening through a lot of slush and snow. about
> >18 miles from Delaware bridge on 295 in NJ when the engine stopped.
> >in the computer, and couldn't figure anything out. they checked the
> >CO output, etc. and determined that the O2 sensor was giving bad
> >information to the engine computer. thus, the computer would lean the
> >Laurel, MD, where I normally have it serviced, and they tried to
> >re-create the problem by reconnecting the O2 sensor. They drove it 31
> >miles, and it runs fine. according to them, the O2 sensor is working
> >as it should. They said they would replace the sensor if I wanted,
> Odd! I have a similar problem with my '88 90 Quattro: when driving
> through snow and/or slush, the engine check light will sometimes
> come on. I first noticed this problem years ago when I was
> playing (i.e. 4-wheel drifting ;-) ) in the snow. Nothing
> seems wrong, and the light clears either by revving the engine
> or by restarting.
> I've ignored the warning but would like to know why it happens.
> - Lawrence Cheng
Same here (same car, too). Usually happens to me when I first set
out in rain or mist. The check engine light flashes real briefly.
I just figured all the humidity/water affected some contacts and