A no-spark condition could be the result of communication errors or missing data from a dead module.
Most articles will tell you to use a torque wrench, but they never explain why.
What seems like a problem with one could be an issue with the other.
Some vehicles have readiness issues when it comes to setting all the OBD II monitors.
Understanding what comes out through the exhaust valve is critical to solving any emissions or driveability problem.
Ford’s Modular engine has been known to give techs a hard time during a spark plug replacement.
If you see carbon tracking or “flash over” on a spark plug, boot or coil, it is not normal.
Diagnostics depends on the coil’s design and what wires are in the connector. Sponsored by Standard Motor Products.
Always check the wiring diagram to confirm the connections to the coil. This video is sponsored by Standard Motor Products.
Don’t let improper torquing of the bolt ruin the job. This video is sponsored by Standard Motor Products.