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onboard diagnostic code 1, not 2 on 1991 Volvo. 200 1991

I emailed Jarrod about the reply to a message, log out, and remain logged in under the user of the message you replied to or something.

OBD-2 (II) is 1996 and later on US gasoline car with oxygen sensor before and downstream of the cat and uses a DB-25 connector so you can connect the code scanner.

The procedure from the Volvo 700/900 series FAQ. Copy and paste URL to new browser tab or window for your engine control systems.

https://www.brickboard.com/FAQ/700-900/EngineOBDCodes.htm







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New onboard diagnostic trouble codes [200][1991]
posted by  airmailspecial  on Wed Jul 14 13:27 CST 2021 >


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