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Thread: Ignition coil testing

  1. #1
    Join Date
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    Ignition coil testing

    I want to test the resistance on all of my coils, but am not able to find any references to testing them. Anybody know what they are supposed to read? Thanks

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  2. #2
    Join Date
    Jun 2008
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    I don't know but I bet it's in the OEM maintenance manual
    You "feel" the difference because you want to "feel" the difference. Since you just spent money on the upgrade you "have" to feel the difference

    I'm looking to eliminate the double pump process I have to follow right now to get the pedal hard

    2004 300A Procharger #0010 D1X
    2003 300A Procharger #0017 D1SC (SOLD. Last I heard, it was in Washington State)

  3. #3
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    Quote Originally Posted by blazen71 View Post
    I don't know but I bet it's in the OEM maintenance manual
    I checked my old 2002 OEM manuals and it only has remove and replace instructions, and chiltons is the same.

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  4. #4
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    Don't know how to do this but let me tell you about my experience with coils. I have 234K on my 2004 Marauder and had 3 go over the years (1st, 5th and 8th cylinders as I recall). When they go the symptom is it feels like 7 of 8 cylinders are firing. To solve the problem from happening any time soon again my mechanic of 45 years who also services two other Marauders (maybe more not sure) suggested I replace the remaining 5 coils, so the problem won't happen when on a long road trip. Been running super ever since.

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  5. #5
    Join Date
    Jun 2008
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    I just checked a known working set of Motorcraft coils. They all read .6 ohms. FYI, when I touched the leads together it read .1 ohms. I used a good quality Fluke meter.
    You "feel" the difference because you want to "feel" the difference. Since you just spent money on the upgrade you "have" to feel the difference

    I'm looking to eliminate the double pump process I have to follow right now to get the pedal hard

    2004 300A Procharger #0010 D1X
    2003 300A Procharger #0017 D1SC (SOLD. Last I heard, it was in Washington State)

  6. #6
    Join Date
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    Location
    Cape Coral, Fl
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    Posts
    48
    My 8 were all within 0.556-0.585 so I guess they're all good then.
    That was with my MAC tools meter.
    Sent from my SM-G950U using Tapatalk

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