How to test Ford 4.6L coil on plug?
How to test Ford 4.6L coil on plug? Repeat the test for all of the remaining Coil-On-Plug ignition coils. Let's take a look at what your test results mean: CASE 1: If you got spark, from all of the Ford car or truck Coil-On-Plug ignition coils, then the ignition coils are good. The cause of the misfire is something else. Go to TEST 4. When to replace ignition coil on Ford cop? Normally after someone has disconnected the ignition coil to replace it or replace the spark plug or replace whatever necessitates the ignition coil to be removed from its...