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I have gotten CEL from both of the front oxygen sensors at different times. On the Audi A4, they are mounted on the rear part of the exhaust manifold, hidden under the firewall, and very time-consuming to remove. If cleaning only lasts a short while, I might as well replace them rather than do it again in a few months. And yes, the rear sensors don't do much other than show that the cats are working.
Thanks for all the feedback.
posted by 68.255.1...
Posts in this Thread:
- Joe 98, others: anyone tried "cleaning" Oxygen sensor?, Bill Homer
, Mon, 25 Oct 2004 09:33:35- Worked, but not for long..., Joe98, Tue, 26 Oct 2004 08:07:39
- Sure, give it a whirl, AK Colin, Mon, 25 Oct 2004 10:56:11
- I'd got a Nissan Maxima and it even worse, Pat98, Mon, 25 Oct 2004 10:22:39
- sure it works for a while, steveC, Mon, 25 Oct 2004 10:13:43
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