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can you identify this random unplugged wire in my engine bay?

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Old 05-13-2013, 07:47 PM
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garrett1021
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Default can you identify this random unplugged wire in my engine bay?

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Old 05-13-2013, 08:03 PM
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RicardoD
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I think that is your oxygen sensor hookup. The other side is coming out of your catalytic converter.

Ricardo
Old 05-13-2013, 08:51 PM
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crg53
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Ditto, oxygen sensor plug.
Old 05-13-2013, 10:13 PM
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Marc Shaw
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Looks more like cruise control to me.

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Old 05-14-2013, 12:05 AM
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YaHoo!
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Here's my O2 sensor plug
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Old 05-14-2013, 12:21 AM
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garrett1021
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Thanks guys I think that's exactly what it Is!!

The p.o. did not have the relay up front for the catalytic converter (R44 of I remember correct)

He also had this o2 sensor unplugged. This is leading me to believe he did a cat bypass, or something similar.... do you all agree?
Old 05-14-2013, 01:25 AM
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Marc Shaw
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My bad - you're right.

The cruise plug is also round and in that area but is a 7-pin.

Marc
Old 05-14-2013, 01:46 AM
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Shamus964
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Yeep - o2 for sure
Old 05-14-2013, 02:02 AM
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ChaseN
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Originally Posted by garrett1021
Thanks guys I think that's exactly what it Is!!

The p.o. did not have the relay up front for the catalytic converter (R44 of I remember correct)

He also had this o2 sensor unplugged. This is leading me to believe he did a cat bypass, or something similar.... do you all agree?
Since a 964 is OBD1 the O2 sensor is upstream of the catalytic converter's filter element, so a bypass wouldn't have an effect on the O2 sensor's readings...unless he just replaced the cat with a piece of straight pipe with no O2 bung in it, but that's a pretty intricate part of the exhaust system with flanges, slip fittings, brackets, etc that isn't very DIY friendly.



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