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Diagnose This Ignition Coil

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Old 02-21-11, 04:28 PM
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Diagnose This Ignition Coil

I'm towards the end of removing everything to do a vacuum job on my car and today I unplug the ignition coils and find the below. That particular connector with all the white residue looks really worked over.

I haven't attempted to test it yet but what would this mean to you guys? Just a bad coil or would the wire contribute as well? I'm thinking while I'm in there I may replace all the spark plug wires as they are originals and at least the one coil if not all...

Old 02-21-11, 06:18 PM
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That's pretty typical from what I've seen on the leading coil. I had a similar issue about 8 year ago. Since then, I use a little dielectrical grease on the coil connection. I would go ahead and replace the coil and the plug wires while you are there.
Old 02-22-11, 02:45 PM
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if the coil is in more than one piece, its bad.
Old 02-23-11, 03:10 AM
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replacing it now wont hurt you later on.
Old 02-23-11, 08:41 AM
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I'm definitely replacing the broken one. Any tips on where to get one for a fair price. In looking around they seem to run ~250 most places for a non-oem.
Old 02-23-11, 08:50 AM
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http://mazdatrix.com/getprice.asp?partnum=18-1000-N3A3

Or call Ray at Malloy Mazda.
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