how many and are they all the same

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12-16-2005, 12:20 PM

jcassell1

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Join Date: Nov 2005

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Posts: 49

how many and are they all the same

How many O2 Sensors are on the stock 98 GT exhaust and are the all the same.

12-16-2005, 02:57 PM

jcassell1

Thread Starter

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Posts: 49

RE: how many and are they all the same

Surely someone out there knows!!!!!

12-16-2005, 03:00 PM

Matts00GT

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RE: how many and are they all the same

Should be 4. One before the cats on each side and one after the cats on each side. And I think they are different. The ones behind the cat are the same and the ones prior are the same though...I think.

12-16-2005, 08:14 PM

dawssvt

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Join Date: Jan 2004

Location: Las Cruces, NM

Posts: 924

RE: how many and are they all the same

i think its only 2. but im not really sure

12-16-2005, 08:59 PM

sprostang

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Join Date: Sep 2005

Location: Illinois

Posts: 6,190

RE: how many and are they all the same

There are 4. Two of them read for air/fuel mixture and two read for properly working cats.

12-17-2005, 11:31 AM

xx9gt6xx

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Join Date: Nov 2005

Location: Michigan

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RE: how many and are they all the same

There are 4 but IDK if their all the same...

12-17-2005, 01:07 PM

rustyshackle4d

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RE: how many and are they all the same

I agree with sprostang.

12-17-2005, 03:45 PM

97stanger

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Join Date: Dec 2005

Location: NJ

Posts: 3,769

RE: how many and are they all the same

there are 4 02 sensors....the back two read your air/fuel ratio...thats why MIL eliminators are placed in the rear two when installing an offroad pipe

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