Help with wiring??

[1997chevydriver]

How about an oxygen sensor on the passenger side of trans?

 

[Amp24 7]

How about an oxygen sensor on the passenger side of trans?

how many 02 sensors are on the 5.7 vortecs?

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[Amp24 7]

How about an oxygen sensor on the passenger side of trans?

5.0

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[1997chevydriver]

4 most likely once in a while you hear of 3 with the odd 1 cat converter system

 

[Amp24 7]

4 most likely once in a while you hear of 3 with the odd 1 cat converter system

it was the oxygen sensor... This is what stumped me. I had the 5.0 in my truck with the single cat. and i switched to a 5.7 with dual cats. but somehow that plug was there for the 02 sensor i never had and it was clean as if it were already plugged in...!?

 

[Amp24 7]

using my wiring harness

 

[1997chevydriver]

Well glad ya figured it out! Odd that it was clean though

 

[Amp24 7]

Well glad ya figured it out! Odd that it was clean though

Clean as a whistle.. I do not even begin to understand considering i never had an 02 sensor there before...

 

[1997chevydriver]

What about the other connector for the other o2. Its that one dirty?

 

[Amp24 7]

What about the other connector for the other o2. Its that one dirty?

I had a sensor on the passenger side but ont drivers

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