HELLO FRIEND, FIRST IDENTIFY AND CHECK THAT IT ARRIVES CURRENT TO THE COIL AND AFTER IT ARRIVES YOU CAN FIND THE SPARK CAPTOR OR SENSOR THAT IS THE ONE THAT GIVES THE ORDER TO THE IGNITION AND CHECK IF IT IS DAMAGED OR DISCONNECTED. BUT AS I SAY ON BASIS THAT IT COMES OR DON'T CURRENT LAYERS THAT WE LOOK FOR THE FAILURE ON THE OTHER SIDE. REGARDS .