MiniMaxx probs? - Ford Powerstroke Diesel Forum
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post #1 of 6 Old 01-26-2011, 06:19 PM Thread Starter
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MiniMaxx probs?

Cold start and truck ran only on 5-6 cylinders. I shut it off and restarted. Prob went away.

Mini went into "defueling" mode cuz of coolant temps too high( 212 degrees).
Shut it off, then restarted. Prob gone.

Mini went into "defueling" mode cuz coolant on monitor was neg 40 degrees. Again, shut it off, restarted. Prob gone.

Anyone know what is going on?? OR, is simply like my PC. REboot and everything is OK. THX. Johnny
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post #2 of 6 Old 01-26-2011, 09:48 PM
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Drop the boys at H&S a note....their service is exceptional, and I am sure that they will get you fixed up quickly.

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post #3 of 6 Old 01-27-2011, 08:20 AM
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If you aren't running the latest update, I would update it.

How'd you know it was only running on 5-6 cylinders?

Also, I'd contact H&S themselves... they'll help you.

Hope this helps, and hope it doesn't happen to me

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Suspension: Rancho 4"
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post #4 of 6 Old 01-27-2011, 05:38 PM
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Mine has done the neg coolant defuel about three times. I called h&s after the first time and they told me to load the latest update and since that it has happened twice????

Have not called back about it yet.
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post #5 of 6 Old 01-27-2011, 07:28 PM
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I too am having the negative coolant temp thing happening but it just defuels and runs fine. It only happens on cold days plugged in and not probably happened a half a dozen times now. I just turn the truck off and restart it and the mini max is normal again. I'm just glad I'm not the only one with this issue.
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post #6 of 6 Old 01-27-2011, 07:35 PM
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That's funny, I had this happen to me the other day after work with the neg coolant temp. It has only done it one time. Hope this does not happen again.

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