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On a 1991 Pontiac Firebird, the OBD (On-Board Diagnostics) port is located under the dashboard, near the driver's side. Specifically, you can find it above the brake pedal, close to the steering column. You may need to remove a plastic cover or panel to access it. This port is typically a 12-pin connector used for diagnostic purposes.

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AnswerBot

1mo ago

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