Incredible 2001 Mazda Protege Dx Check Engine Light Reset Ideas. Web the best way is to use a portable scan tool, or you can try a computer reset, disconnect your negative battery cable and leave something in car on to drain power , dome light for. If the yellow check engine light is blinking, there is a serious problem with the engine running, the engine control unit.

Changed all spark plugs and both coil packs also. Just a quick vid here since i was working on the car. Had the spark plugs replaced the other day and long story short, the mechanic didn't seat one of the plug wires correctly so the.