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Buick Century

What would cause a 1994 Buick Century to misfire and sputter?


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2009-02-11 13:44:04
2009-02-11 13:44:04

You can check the battery connector. Make sure they are not corroded; and see if there isn't any melting on it; sometimes it will startup but drive rough, make sure the the connection is tight. Also I think platinum spark plugs come standard on some Buicks, which have a very small electrode and a little gunk will cause them to misfire; I would swapped them for a set of old champion copper plus spark plugs and a new set of spark plug wires.

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Yes, that is one of many possibilities.

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Moisture will be the cause for an engine misfire. Depending on the year of the car will have a bearing on the solution. It could be that the plug wires are misfiring due to dampness.

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005 gap is pretty minimal. While the engine may not run perfect and fuel economy may be affected, it is not enof of a difference to cause sputter and misfire. A .005 gap difference in what we need to know.

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I have a 95, had a misfire... mine was because of the plug wires... changed the wires and plugs mis fire stopped...

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It can be anything from the printed circuit in the dash to the speed sensor on the trans. Have it checked out by a good mechanic.


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