Originally posted by Keyser:
12.0 isn't that rich on a duratec. I tried everywhere from 13.5 down to 11.5. From 12 to 13 there isn't that much of a difference. It could be leaned a touch but you won't go 'Holy shirt this is better' at 12.5.

Whatever the issue it's mechanical. My guess is the coil or a wire is arching. All of your grounds are good right?



Thats not really what I wanted to hear.

In any case, Im only asking this in this thread because it seems worth it for both neversummer and myself to possibly check. I have been noticing the charging system hasnt been quite what it used to, but the alternator has been tested and its fine. Can we get a list of grounding points to check? I only know of the few I can see easily, I would need to know where the rest are. This is something neversummer should possibly look at as well.

Or are you just talking about the ignition grounds?

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