A P0300 (random misfire detected) diagnostic trouble code (DTC) was being diagnosed and a defective (open) spark plug wire was found on a waste-spark-type ignition system. Technician A says that the companion cylinder spark plug wire should also be carefully inspected and replaced if necessary. Technician B says that the ignition coil should be replaced because the bad wire could have caused the coil to become damaged (tracked) internally. Which technician is correct?
a. Technician A only
b. Technician B only
c. Both Technicians A and B
d. Neither Technician A nor B
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