Fault-tracing information

Condition 

Fig 1: Identifying Ignition Cables

Courtesy of VOLVO CARS OF NORTH AMERICA.

• No diagnostic trouble codes (DTCs) stored.
• The fault is permanent.

Possible Source 

• Damaged or defective ignition cables.
• Damaged or defective ignition coils.
• Damaged or defective spark plugs.
• Defective ignition coil.