Spring is almost here March BS thread!
Senior User
Joined: Mar 2012
Posts: 293
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From: Minneapolis
Well my truck had the shakes again yesterday at highway speed. Checked ficm today and it was going between 46.5-48. I think I will replace the batteries since I have 2 different ones in there and they have been know to cause ficm problems.
Thread Starter
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FTE Chapter Leader
Joined: Mar 2005
Posts: 23,870
Likes: 9
From: Suppertown, MN
Me too!
Senior User
Joined: Mar 2012
Posts: 293
Likes: 0
From: Minneapolis
Yeah I am not sure why the suposed ford mechanic who owned this truck decided to put in two different batteries. One is a 750cca and the other is a 850cca. I might just switch the ones in the 7.3 to the 6.0. I think they are only about a year old if that.....
Senior User
Joined: Mar 2012
Posts: 293
Likes: 0
From: Minneapolis
Yeah I read that article and that is what I am thinking. Its weird, yesterday I took off out of here and it ran fine till I hit the highway and then for about 30 secs if you try to go the truck would just shake. Thought it was an injector but was surprise to find the ficm on the low side. They say low batteries will cause low ficm voltage.
Senior User
Joined: Mar 2012
Posts: 293
Likes: 0
From: Minneapolis
I already have 9000 miles on the 06 so I am good, LOL
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FTE Chapter Leader
Joined: Mar 2005
Posts: 23,870
Likes: 9
From: Suppertown, MN
Until now when you are having issues! LOL
Sounds like the batteries could fix it and if not it's a good thing to have two matching good batteries anyway.
Sounds like the batteries could fix it and if not it's a good thing to have two matching good batteries anyway.
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VT Chapter Ldr
Joined: Apr 2004
Posts: 96,160
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From: Orange, Vermont
Yeah I read that article and that is what I am thinking. Its weird, yesterday I took off out of here and it ran fine till I hit the highway and then for about 30 secs if you try to go the truck would just shake. Thought it was an injector but was surprise to find the ficm on the low side. They say low batteries will cause low ficm voltage.
Senior User
Joined: Mar 2012
Posts: 293
Likes: 0
From: Minneapolis
Well I am thinking it could be part of it. Everything states that low batt voltage can cause the ficm to act funny and cause cold start issues. Time will tell....I ran codes and tests the last 3 days and everything was good.....
Senior User
Joined: Mar 2012
Posts: 293
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From: Minneapolis
My thoughts exactly, if you are going to make the GTG maybe I will just het them from you. Send me a pm on the cost....