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Ignition System: Notes

WARNING: This page is about a different variant/trim than selected.
NOTE: Vehicles use Coil On Plug (COP). COP faults should set a DTC. For additional testing, see CIRCUIT TEST JF in appropriate article: For Pickup, see TESTS W/CODES - 5.4L CNG or for Van, see TESTS W/CODES - 5.4L CNG.
NOTE: For additional information and descriptions, see IGNITION SYSTEMS in THEORY/OPERATION - EEC-V article.
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