F-150 Transmission Shutter - Fixed - Coil on Plug and Spark Plug Swap

Picked one by one from a mixed channel. Transcript check: Diagnoses transmission shutter cause and demonstrates coil/spark plug replacement procedure.. Channel rule: Include only step-by-step repair, restoration and fabrication tutorials whose title names a specific technique or fix (e.g. sheet metal patching, MIG welding technique, named vehicle or appliance repairs) and whose narration explains the process. Exclude project-log vlog series, reveal/'Done!' or parts-arrival clips, humor videos, and anything promoting products.