Date: Fri, 24 Jan 2003 09:09:19 +0100
From: Nel Frikandel <>
Subject: Re: '91 9000T "Check Engine"

On Thu, 23 Jan 2003 19:07:58 -0600, "Walt Kienzle" <> wrote: >The "Check Engine" light illuminated on my 1991 9000T. Before I go out and >by the code reader, I wanted to see if anyone has an opinion as to weather >it is worth buying, or if I should just replace the Lambda sensor and see if >that solves the problem. Theoretically, I could have gotten a bad tank of >fuel that is causing the light to come on, but I read somewhere that the >sensor should be replaced every 60K miles and by that standard mine is >probably overdue for replacement. My car has 130K miles on it; I haven't >replaced the sensor and I don't think the previous owner did either. This story about replacing the sond every 60k miles, is this true? My '95 9000CS has often the check engine coming on. mostly it disappears after the next startup. Sometimes even while driving it goes away again. Worst case I have to pull the battery connector for a couple of seconds to be rid of it. It is a '95 9000 (B204i/NoTurbo), LPG converted since 2000 and I blamed the light on the gas system. Since the light never comes up on gasoline, only on autogas. Is there a way to determine the need for replacement of the sond? Nel

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