Dar Car Pros- my catalytic converter is making the rattling noise and my milage dropped considerably from over 30 to less than 20. Is it plugged?
Oct 3, 2009 at 5:36 AM
1994 Buick Century milage droppped to less than 20 from ove
DRXTAL
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- 1 POST
If it is loose inside, chances are it is plugging the exhaust, and yes it will cause a big change in fuel mileage.
Oct 7, 2009 at 6:29 AM
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