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This is a case where the engine shakes and we are going to see how to diagnose it step by step, we found different paths in the Diagnosis and there is nothing better than taking the correct one. So let's see this case, it marks the Code P0303 this can be due to a spark plug in bad condition, a coil, low compressions. In this video I show you how to check it step by step and what the problem was that this vehicle had.