by fotoman531 on September 29th, 2008

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I have a '94 buick roadmaster,the right side spark plugs are black from the mixture being too rich(i assume) and on the highway when the car goes into overdrive it runs as if the ignition is missing or not firing at irregular intervals

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I have a '94 buick roadmaster,the right side spark plugs are black from the mixture being too rich(i assume) and on the highway when the car goes into overdrive it runs as if the ignition is missing or not firing at irregular intervals

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I have a '94 buick roadmaster,the right side spark plugs are black from the mixture being too rich(i assume) and on the highway when the car goes into overdrive it runs as if the ignition is missing or not firing at irregular intervals

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