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Another one puking coolant
I purchased my 2003 6.0 in Aug.-Sept of 2012. It's a 4x4 dually with now 50,000+ miles. Before I bought it I read a lot here on what to look for, do, etc and I bought it without hooking up a monitor. So with that being said here are my problems and my history with the truck.
On the test drive I drove the you know what out of it making the sales person a little nervous I presume, but, it showed no visual issues I had read about. I thought ok, I'll buy it, get an extended warranty, monitor and wait for some problems.
The truck has run great until recently. My ECT and EOT temps have been getting more than 15* apart and puking coolant. ECT stays around 180-190 while the EOT can hit 215. I have seen more than 20* difference on the freeway at 75 mph. It never gets more than 15* apart off the freeway. The truck had 45,000 miles on it when I bought it and I recently changed the oil. (15w-40 conventional supposedly formulated for diesels and a motorcraft filter). I was seeing my issues before changing the oil. I was just hoping. So now I have to take it in this week and want to be sure that where ever I take it isnt B.S.-ing me. This is my first 6.0 and only have reading knowledge from everyone here.
Another issue that has just come up is upon cold starts. I have read the stickys. It really has an issue starting on cold days if its not plugged in. If its plugged in it starts just fine. I have got codes referencing the glow plug control module and a p1000 code which I really have know idea what it is. The other day I had it parked all day in front of a customers house I am working on (not plugged in) and when I went to leave it took me 5-10 min to get it started with clouds of smoke while turning it over. Eventually it did start and it turned up the glow plug code and also a crankshaft position sensor open code. After it warmed up a bit it drove great down the road. And my FICM reads about 47.5-48.5.
Like I said I am new to these. I am just trying to confirm my theories about what my issues are so I feel more knowledgeable when I walk in the dealer or wherever. So give me some sounds like, or ask me some questions on what else I should be looking at.
Thanks to all!
Last edited by geoff426; 01-19-2013 at 10:40 AM.
Reason: added some more info