How To Change Spark Plug Leads. And just like your plugs the wires wear out over time. Change all the plugs.
Outboard Ignition Coils and Spark Plug Wires HT Leads This video looks at outboard ignition coils and HT leads or spark plug wires. Remove the spark plug using a spark plug socket. It is not necessary to change the wires but its a good idea.
There are two main types of ignition.
Visit your owners booklet and see if your lead wire is routed and connected correctly. The back firing should go now unless it needs to be tuned as gas is a dry fuel it requires a very strong spark to ignite it which obviously places a higher level of wear on you plugs and leads generally change the plugs every 20000km for an ecotec and leads maybe 50-60000km. In some cases the wires will need to be replaced due to the rubber boots on the end getting damaged and now. Replace plug wires one at a time to maintain the exact same routing as original.
