1978 - 1996 Big Bronco

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Quick O2 sensor question

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Oct 1, 2003 | 06:43 PM

#1

Crazyromi

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From: Philadelphia

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Quick O2 sensor question

I changed out both my o2 sensors about 2 months ago. I was underneath my truck today putting in a new mlps, and I noticed what I thought was a third o2 sensor coming down from one of the headers and into the cat. Are there three o2 sensors or did I change something that wasn't an o2 sensor?

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Oct 1, 2003 | 11:10 PM

#2

WhëëlMå1

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From: MA

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On the 96 OBDII/MAF trucks, we have two oxygen sensors (in the Y section of the Y pipe), and one catalytic monitor sensor that mounts right behind the catalytic convertor.

Rich

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Oct 2, 2003 | 06:44 AM

#3

Crazyromi

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From: Philadelphia

Gotcha. Is the catalytic monitor sensor a different sensor than the o2 sensor, b/c I believe I replaced it with one.

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