Why do ignition systems give technicians problems when diagnosing ignition-related misfires? The answer is that some technicians use tests that might give inconclusive results or do damage to the coil or drivers inside a module.
Most articles will tell you to use a torque wrench, but they never explain why.
Communication errors or missing data from a dead module could be the cause.
This part of the cycle is when the mixture of air and fuel ignites and how the flame front spreads in the cylinder.
Diagnostics depends on the coil’s design and what wires are in the connector. Sponsored by Standard Motor Products.
What seems like a problem with one could be an issue with the other.
Ignition delay occurs during the time that it takes to fully ignite the mixture with a spark plug.
When a vehicle starts today, the energizing of the starter is only one of many events.
Kilovolt demand can vary widely according to air/fuel ratio, running compression and spark timing.
Find out what spark plugs need to be gapped and the tools required to get the job done. This video is sponsored by Autolite.
A spark plug that has racked up miles should have a brownish or grayish color on the insulator and electrodes, but some gas additives have been known to turn fresh insulators blue, pink or purple.