2006 Ford F-350 Super Duty Q&A
2006 Ford F-350 Super Duty Question: i had a question
my truck is throwing alot of black and white smoke from exoust and when step on gas peddle rumbles and has no power what can it be this happend to me once but went awy and now problem is back - Visitor
There are many things that could be occuring with the engine in your truck. The most common scenario has your engine oil significantly contaminated with coolant, and your cooling system loaded with sludge and oil. This is caused by cooling system failure via the engine oil cooler, the EGR cooler, or even in some significant extenuating circumstances - failed cylinder head gaskets. Other scenarios have your EGR system coked significantly with residue from incomplete fuel burning, and have your turbocharger also coked, resulting in the variable geometry vanes sticking. This results in no power or boost and black smoke. Those would be the top of my list of things to check. What I will tell you is that the 6.0L Power Stroke Diesel engine is a very repairable engine, and with proper proactive maintenance can be an absolutely excellent engine. The cooling system must be checked for adequate nitrite levels at LEAST every oil change, and should have an additive poured in or the system flushed outright if it goes below a certain threshold. If not - the coolers deteriorate and everything goes down hilll from there. For the coking - you can add cetane boost to your fuel tank when you fill up. This helps burn the Diesel more completely. A baffle kit can be added to your EGR system to prevent coking past a certain point. Take some time and find a highly skilled and qualified technician for your truck. You really need it to navigate your current challenges. Check within multiple Ford dealers for a tech - people usually can tell you who the best in the area is. Aftermarket shops may have some ex-Ford trained techs too, or ex fleet techs who are well experienced. Good luck! - DaveJHM
Excellent answer from Dave! These engines can last long, but they are more maintenance sensitive than the old 7.3 engines. Zee - ZeeTech
Sounds like an EGR failure - Diesel tech TN
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