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P0300 CADILLAC -

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intermittent check engine light flashing usually under acceleration. 2002 cadillac seville.

Vehicle: 2002 cadillac seville 4.6l

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The P0300 means that one or more cylinders are misfiring. If you haven't replaced the spark plugs lately, you should start with that. Also, try using high octane gas for a couple of tanks.

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