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Re: 1986 Ford Tbird no bulb for check engine light
Posted to Emissions Forum on 7/27/2009

Barry: I agree with David on this. Ford didn't have an M.I.L. until required by OBD-1 roundabout 1989 or so. For 1986 it was OBD, meaning it has a diagnostic connector but no M.I.L.

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