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LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

OBD I or OBD II?

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Old Apr 18, 2005 | 09:42 PM
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Screamin95Z
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From: chicago, illinois
OBD I or OBD II?
How do you tell whether the car is OBD I or OBD II? I just bought a new car (first newer car), and i do not know if it is OBD I or OBD II? If anyone knows, please respond. Thanks for any help.
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Old Apr 18, 2005 | 10:06 PM
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Re: OBD I or OBD II?
It would help if you said what year and car it is. If it is a 1995 LT1 f-body, it's OBD-I. Look at the emissions label under the hood.
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Old Apr 19, 2005 | 08:01 AM
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Re: OBD I or OBD II?
Assuming it's the 95, you're sure to find an OBD-II connector under the dash, but it's still got an OBD-I computer.
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Old Apr 26, 2005 | 07:22 PM
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Re: OBD I or OBD II?
Yes it is a 95 and it has the OBD II connector but if it has an OBD I computer then i need to go through the sniff test for emissions?
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Old Apr 26, 2005 | 07:25 PM
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Re: OBD I or OBD II?
Thanks for the help.
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Old Apr 26, 2005 | 07:28 PM
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Re: OBD I or OBD II?
No. 96 an newer is required to be hooked up to a computer for inspection. 95 and older is visual only. That goes for any car or truck.
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