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Obd1 ?

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Old Feb 25, 2008 | 02:55 PM
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Default Obd1 ?
What year did the automakers start using it?
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Old Feb 25, 2008 | 04:03 PM
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I think OBD1 was for 89-96 and OBDII was for 96 and up...

I think thats the years for them, correct me if I am wrong. Its just what I think I remember hearing.
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Old Feb 25, 2008 | 04:42 PM
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I think it was earlier than that, my 82 had a computer in it & so does my 87 So I think my 87 is OBD1 I know our 95 Camaro is a late model & its OBD2
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Old Feb 25, 2008 | 05:12 PM
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The 95 Camaro is OBD1 with OBD2 connector. OBD1 was used on the first car that had a computer from the factory 82-95. 96+ is OBD2
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Old Feb 25, 2008 | 05:23 PM
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Well I was half correct it seems. lol
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Old Feb 25, 2008 | 05:54 PM
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Originally Posted by Rockin C Racing
The 95 Camaro is OBD1 with OBD2 connector. OBD1 was used on the first car that had a computer from the factory 82-95. 96+ is OBD2
Dont most 95 Fbodys only have 1 O2 Sensor stock?
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Old Feb 25, 2008 | 06:20 PM
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Originally Posted by krazzycowgirl
Dont most 95 Fbodys only have 1 O2 Sensor stock?
Yes they all come from the factory with one. OBD1 only uses one. OBD2 uses 2. All factory 95 Fbodies are OBD1.
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Old Feb 25, 2008 | 06:52 PM
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Originally Posted by Rockin C Racing
Yes they all come from the factory with one. OBD1 only uses one. OBD2 uses 2. All factory 95 Fbodies are OBD1.


OK Then explain to me why my 95 which was stock when we bought it almost 10 years ago has 2 O2 sensors, in it & when we did the updated exhaste on it, we had to move the 2nd o2 sensor.
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Old Feb 25, 2008 | 10:26 PM
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OK. Let me rephrase. OBD1 has one O2 sensor on each bank (meaning each side of the engine) and OBD2 has 2 on each side. OBD1 has one in front of the cat. OBD2 has one in front and one after the cat.
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Old Feb 25, 2008 | 11:14 PM
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Originally Posted by Rockin C Racing
OK. Let me rephrase. OBD1 has one O2 sensor on each bank (meaning each side of the engine) and OBD2 has 2 on each side. OBD1 has one in front of the cat. OBD2 has one in front and one after the cat.


True dat.
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Old Feb 26, 2008 | 01:13 AM
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Originally Posted by krazzycowgirl
OK Then explain to me why my 95 which was stock when we bought it almost 10 years ago has 2 O2 sensors, in it & when we did the updated exhaste on it, we had to move the 2nd o2 sensor.
I would explain it again but you did not catch it the first 10-20 times I did so I will let Rockin finish here
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Old Feb 26, 2008 | 11:14 PM
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Originally Posted by Rockin C Racing
OK. Let me rephrase. OBD1 has one O2 sensor on each bank (meaning each side of the engine) and OBD2 has 2 on each side. OBD1 has one in front of the cat. OBD2 has one in front and one after the cat.
Earlier OBD1 (ala TPI and the old TBI) was all running on 1 o2. Not 1 o2 per bank.
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Old Feb 26, 2008 | 11:46 PM
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Originally Posted by iansane
Earlier OBD1 (ala TPI and the old TBI) was all running on 1 o2. Not 1 o2 per bank.
Yes. I was just trying to explain it as simply as possible for the peanut gallory
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Old Feb 27, 2008 | 08:41 AM
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Ah. Okay.
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