The Best 2006 Saab 9 3 Check Engine Light Flashing References. Faulty spark plugs, maf sensors, or a bad ignition coil usually cause the problem. Step on the gas and spin the tires into a turn in a fwd car.

(that's all it says when i look it up, there are steps to. Faulty spark plugs, maf sensors, or a bad ignition coil usually cause the problem. Its a simple part to check, easier then checking a di or changing plugs, yet it always seems to be overlooked when trying to track a random misfire of unknown cause.
