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Re: 1992 100S Check Emission Light On

To:   quattro
You just described the exact scenario of the pre-"replace oxy sensor"
condition. This same thing happened to my 100 when I first bought it.
Luckily, I was under the 5 year mark on the emissions warranty so it was

You could try pulling the codes to be sure though.

Sean Ford
'92 Audi 100 5-spd 41k mi

Original Message--------------------
Date: Sun, 01 Nov 1998 14:42:07 +0000
From: "Rich" <studio@bennington.edu>
Subject: 1992 100S Check Emission Light On

  1992 100s check emission light is coming on and staying on for a while.
  off while driving. Car is running fine. Just had tune up including new
  plugs. The 02 sensor hasn't been changed. The car has just over 100K
  on it? Ideas? TIA