where's the o2 sensor?
Thread Starter
Junior Member
Joined: Sep 2005
Posts: 65
Likes: 0
From: Chicago, IL
Car: 1991 gta trans am
Engine: 355
Transmission: TH400
where's the o2 sensor?
Hi guys just wondering in a 1991 gta trans am, with a 350 tpi, where is the o2 sensor and what color are the wires going to it. I replaced the motor now I can't find the damn thing with the bunch of wires I have under the hood.
Supreme Member
Joined: Dec 2004
Posts: 1,204
Likes: 0
From: chicago IL
Car: 91 formula
Engine: 350 tuned port. bolt ons
Transmission: 700r4
Axle/Gears: 3.73
Re: where's the o2 sensor?
well the factory location on your model should be on the driver side manifold near your brake lines.
Supreme Member
iTrader: (2)
Joined: Sep 2006
Posts: 2,118
Likes: 15
From: Houston, TX
Car: 1989 GTA
Engine: SuperRam 350
Transmission: Pro Built S/S TH700R4
Axle/Gears: 3.27
Re: where's the o2 sensor?
Look somewhere in the region of your #3 spark plug area. It will be on the exhaust manifold. I highly recommend buying an oxygen sensor socket. They make the job a whole lot easier to do.
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HoosierinWA
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Oct 7, 2015 10:15 AM
