Are front and rear O2 sensors the same?

onerareviper

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Basically, I want to replace my rear O2 sensors. I have an extra set of front O2 sensors off a '00 GTS in perfect condition. Can I use these in the back of my '98 GTS?
 

SidewinderGTS

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Just replaced mine,parts shop said they are the same but my plug was different ,front then the back.I have a 97.
 

Hoosier Daddy

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Just replaced mine,parts shop said they are the same but my plug was different ,front then the back.I have a 97.
There should be no rear O2 sensors on a 97, That started with 98's I believe and that is why you need O2 simms if tha cats are gone on 98 and newer.
 
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onerareviper

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Still confused.... I guess these are my questions:

1.) Are the O2 sensors from a '00 the same as a '98?

2.) Are the front/rear O2 sensors the same in a '98?
 

Viper Wizard

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Still confused.... I guess these are my questions:

1.) Are the O2 sensors from a '00 the same as a '98?

2.) Are the front/rear O2 sensors the same in a '98?

1. NO THEY ARE NOT!
98 front O2 #56041212
00 front O2 #56041212AE

2. NO THEY ARE NOT!
98 rear O2 #56041004

No more confusion! :cool:
 

Shelby3

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onerareviper

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Still confused.... I guess these are my questions:

1.) Are the O2 sensors from a '00 the same as a '98?

2.) Are the front/rear O2 sensors the same in a '98?

1. NO THEY ARE NOT!
98 front O2 #56041212
00 front O2 #56041212AE

2. NO THEY ARE NOT!
98 rear O2 #56041004

No more confusion! :cool:

Thanks Wizard. I was hoping you would chime in. The man with all the answers :2tu:
 

KenH

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Someone had told me that the rear O2 sensor had to be a quicker firing sensor since it was further from the heat source. Seems like I have heard of using the rear sensor in the front location to avoid check engine lights due to slow sensor warmup. Not sure if that info is correct though.
 
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