o2 sensor location

PONTIAC GRAND AM
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DECKJ
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hi i am going to replace an o2 sensor on my 96 grand am gt. i have heard it is on the exhaust pipe in front of and in back of the cat converter. i only see the sensor behind the converter and it is the one before that i need to replace. if you can tell me where it is it would be very helpful. is it on the manifold?
Aug 23, 2006 at 7:34 PM
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MIKEYBDMAN
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[quote:47446d34a0="deckj"]hi i am going to replace an o2 sensor on my 96 grand am gt. i have heard it is on the exhaust pipe in front of and in back of the cat converter. i only see the sensor behind the converter and it is the one before that i need to replace. if you can tell me where it is it would be very helpful. is it on the manifold?[/quote:47446d34a0]


which engine do you have?
Aug 23, 2006 at 7:35 PM
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DECKJ
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[quote="Mikeybdman"][quote="deckj"]hi i am going to replace an o2 sensor on my 96 grand am gt. i have heard it is on the exhaust pipe in front of and in back of the cat converter. i only see the sensor behind the converter and it is the one before that i need to replace. if you can tell me where it is it would be very helpful. is it on the manifold?[/quote]


which engine do you have?[/quote]

i have a 3.1 v6
Aug 23, 2006 at 7:36 PM
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MIKEYBDMAN
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[quote:4bc284fe8d="Mikeybdman"][quote:4bc284fe8d="deckj"]hi i am going to replace an o2 sensor on my 96 grand am gt. i have heard it is on the exhaust pipe in front of and in back of the cat converter. i only see the sensor behind the converter and it is the one before that i need to replace. if you can tell me where it is it would be very helpful. is it on the manifold?[/quote:4bc284fe8d]


which engine do you have?[/quote:4bc284fe8d]

On a V6 model the HO2S1 is located in the rear exhaust manifold. Right before it connects to the exhaust pipe. The HO2S2 is located behind the cat converter.
Aug 23, 2006 at 7:39 PM
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DECKJ
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[quote="Mikeybdman"][quote="Mikeybdman"][quote="deckj"]hi i am going to replace an o2 sensor on my 96 grand am gt. i have heard it is on the exhaust pipe in front of and in back of the cat converter. i only see the sensor behind the converter and it is the one before that i need to replace. if you can tell me where it is it would be very helpful. is it on the manifold?[/quote]


which engine do you have?[/quote]

On a V6 model the HO2S1 is located in the rear exhaust manifold. Right before it connects to the exhaust pipe. The HO2S2 is located behind the cat converter.[/quote]

thank u very much. you responded quite quickly too. i think i know where it is then. there isnt anything i could be getting it mixed up with is there?
Aug 23, 2006 at 7:42 PM
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MIKEYBDMAN
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[quote:1ffc3c7d1c="deckj"][quote:1ffc3c7d1c="Mikeybdman"][quote:1ffc3c7d1c="Mikeybdman"][quote:1ffc3c7d1c="deckj"]hi i am going to replace an o2 sensor on my 96 grand am gt. i have heard it is on the exhaust pipe in front of and in back of the cat converter. i only see the sensor behind the converter and it is the one before that i need to replace. if you can tell me where it is it would be very helpful. is it on the manifold?[/quote:1ffc3c7d1c]


which engine do you have?[/quote:1ffc3c7d1c]

On a V6 model the HO2S1 is located in the rear exhaust manifold. Right before it connects to the exhaust pipe. The HO2S2 is located behind the cat converter.[/quote:1ffc3c7d1c]

thank u very much. you responded quite quickly too. i think i know where it is then. there isnt anything i could be getting it mixed up with is there?[/quote:1ffc3c7d1c]

Nope. Should be the only sensor with wires going to it in the exhaust manifold.
Aug 23, 2006 at 7:43 PM