could it be.spark plugs

1992 FORD FALCON
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MARKSECCHI
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My ford 92 mpdel eb.backfires through airbox .seems it.does it more I. Cold
Oct 10, 2012 at 3:17 PM
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HMAC300
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check your ignition system and then check for a valve not fully opening. You may have a bad plug/wire causing this or an internal problem.
Oct 10, 2012 at 4:42 PM