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6.0 Problems... Questions....etc.
I have a 2007 F250 with the 6.0 Powerstroke. I really like this truck but I am starting to have some issues. I am sure most of this is just a rehash of a bunch of other threads. But rather than spend half my life sifting through them all I figure I will just throw out what I have going on to see if I can get some advice.
First up cold starts. I have issues with the truck running really rough for the first 5 minutes or so. Outside temperature doesn't make a whole lot of difference. At first it did but now its pretty much anytime after the truck has sat for more than 5 or 6 hours. I assume this is due to injector problems. I plan to get a scan gauge of some sort to diagnose this issue. But before I go with that I want to run through other issues that i suppose could be contributing.
Coolant loss. A few months ago I noticed that I had lost some coolant. Not a lot all at once but over a period of time. I check it regularly and refill as needed. It doesn't use a lot but it does use some. It does use more when I am towing. And when under a fair amount of stress like pulling a camper over a mountain, I can smell a bit of coolant in the cab. Once out of the stress it goes away. Now I have started noticing a whistling noise sometimes while driving. I started noticing it the other day when pulling my camper but even after pulling it it continued. It does it mostly when say climbing a hill and not giving it extra throttle which causes the engine to bog a little. Also it does it almost every time you let off the throttle. But I checked the coolant yesterday and it was a bit low. I added some and since I have only heard the whistle one or two times. I can see where the cap has been leaking a little which I understand is a problem with these engines sometimes even when there is no other real problem. Another thing along this line is, I posted a few weeks ago about losing power while driving. I was instructed to check the EGR valve to see if it was clogged up. It had quite a bit of wet soot on it so I cleaned it really good. I haven't had the power loss since. But this got me to thinking about a EGR cooler leak. Then after reading more about coolant blowing out the cap I am getting concerned about possible head gasket issues. I have never had any white smoke in the exhaust that I have been able to see.
If I am going to tear into this thing I would like to fix everything I can while I am in there. I understand that some of my problems don't really overlap as far as the repairs go but If I am gonna have a bunch of stuff pulled out in the engine compartment I wanna do it all while I am there. I have looked at several parts kits and such that cover things like new head studs, gaskets, EGR delete etc. Would it be wise to go that route since I figure I am going to be fixing most of it anyway? What scan tool do you recommend? I want something for the long haul as I have no plans on getting rid of this rig as long as I can keep her healthy.
One more thing. If, and I hope I don't but if, I have to replace head gaskets, is this possible without removing the cab? Or would it just be wise to remove it since it would make all of the repairs much easier. Its been a long time since I pulled a cab off a truck but if its worth it I would definitely do it.
Any and all help is appreciated. Also I will post back if you all have questions for me to answer.