How do you test for spark on 4.6 c.o.p.? - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
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Old 06-30-2005, 14:01   #1 (permalink)
joe@aol.com
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How do you test for spark on 4.6 c.o.p.?

does anyone know the best way to check the ignition system for spark
with coil on plug ignition? you can't just pull a plug wire and stick
a spark plug in it to see if you have spark.
i am guessing a code reader will be necessary, without taking a fuel
rail off and removing a coil to check for spark. i realize each coil
has a low voltage and a ground to it. that would just verify you have
a pulse from the control module right?
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Old 06-30-2005, 18:01   #2 (permalink)
Dan
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Re: How do you test for spark on 4.6 c.o.p.?

I don't understand, why can't you pull a coil pack, jam a spare plug in
it, and watch for spark? You can use any regular spark tester on COP,
as far as I know. You can also measure the resistance in the pack just
like a distributor or DIS system, you just have to do for each pack.

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Old 06-30-2005, 18:01   #3 (permalink)
slimestickland34@hotmail.com
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Re: How do you test for spark on 4.6 c.o.p.?

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