Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Ignition Coil: Testing and Inspection

Cleaning and Inspection

Wipe the ignition coil towers with a clean cloth dampened with soap and water. Remove any soap film and dry with compressed air. Inspect ignition coils for cracks, carbon tracking and dirt.

Component Tests

Ford does not provide specific component tests for the ignition system. If there are concerns with the ignition system, see Computers and Control Systems, Diagnosis by Symptom and follow directions for the symptom that the vehicle is exhibiting. Testing and Inspection

Pinpoint testing for the ignition system is covered in Pinpoint Tests JA/JB/JC under Computers and Control Systems Testing and Inspection