Hi!! MJGTSAS
Thank you very much for your answer.
I just confirmed that naphtha arrives. And Sacyr the dummy of the bugia and unscrew the cable and bring it closer to the chassis. It produced a spark during ignition.
I think the spark plug would be the problem.
It already has more than 30,000 km
And it was missing in the tip that little piece of bronze that is curled in the tip of the spark plug.