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Weird (post-cat?) O2 sensor positions.
Posted to Technical Theory Forum on 3/10/1999 4 Replies

Hello tech gurus,

While I was under a 97 Ford Windstar today I noticed the 2 post-cat O2 sensors mounted in the middle of the cats. This car has 2 cats for left and right banks before the Y joint, the other O2 is mounted the same way as shown in the picture.... Login to read more.

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