The 6.0 can be a reliable and strong motor, there are plenty of owners out there that have not had issues. When you read these forums, it's usually somebody that is having trouble with there truck, same as if you were to go to a dodge or chevy forum.
The key to a happy 6.0 is to monitor the motor so you catch any arising issues, you'll need to do the same with a dodge or chevy. Your gonna need to monitor the EOT,ECT, EGT, and FP at the minimum. The EOT and ECT will monitor the condition of your oil cooler. If the delta between the two is greater than 15* while under normal driving conditions then the oil cooler is getting blocked up in the coolant passages of the oil cooler. EGT will help you keep the exhaust temps in check, also gives you a good idea if you have a IC boot rip. Fuel Pressure (FP) gauge will let you keep an eye on the psi, under 45 psi at any condition will shorten the life of the injectors. If you have an '05-'07 then the stock boost gauge is good, if you have an '03-'04 it would be a good idea to monitor the boost psi to let you know if your having issues with the VGT,IC boots, and up pipes.
The best bang for the buck on gauges is the Edge CS or CTS. this will monitor everything plus more,except the FP. Along with it being a monitor it will also let you read codes and clear them. Some of us prefer the analog gauges, it's a little more expensive for monitoring all that your gonna need. Another good investment is a good scan tool like Autoenginuity, this software will let you preform test almost as good as the dealer.
If your throwing a FICM code, then it's a good chance that it's on it's way out. You can test it your self with a multimeter. Heres how to test FICMPress
Your also going to want to read up as much as you can about your motor so if issues arrive your gonna know what to do. Here is a link to the 6.0 manual with lots of info and locations of parts and sensors.PDF Tech manual
And here is another link to alot more info for the newbie. 6.0 Tech Files - Ford Powerstroke Diesel Forum
2004 F350 CC DRW King Ranch
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Last edited by Lilpooh; 11-26-2010 at 12:51 PM.