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Old 12-08-2010, 04:01 PM
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06 6.0 problems

My truck is at the dealership with the engine light on and pouring white smoke on take offs and its low on coolant but no leaks. The truck has a S&B intake, 4 in. exhaust no cat or muff. 4 in. lift with 35 Nittos. The tech. says it has egr codes but says coolant problem is not effected by the egr codes. Could someone here help me understand or solve this problem, its the 3 time in 6 months its at the dealer with egr problems thank god for 5 yr. 100000 mile warranty. Thanks for the help.
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Old 12-09-2010, 06:54 AM
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Look up and search EGR problems. Sounds like your oil cooler is blocked up and coolant is getting burnt off due to EGR failure. Coolant gets pushed into your egr and then turns into steam causing the white smoke out of your exhaust. Its not good to continue driving if this is the case.
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Old 12-09-2010, 07:45 AM
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Quote:
Originally Posted by T Schmidt View Post
My truck is at the dealership with the engine light on and pouring white smoke on take offs and its low on coolant but no leaks. The truck has a S&B intake, 4 in. exhaust no cat or muff. 4 in. lift with 35 Nittos. The tech. says it has egr codes but says coolant problem is not effected by the egr codes. Could someone here help me understand or solve this problem, its the 3 time in 6 months its at the dealer with egr problems thank god for 5 yr. 100000 mile warranty. Thanks for the help.
Sounds like you have a ruptured egr cooler bud. Dont let them replace the head gaskets. Most inexperienced repair facilities see the 6.0 and automatically assume thats what it is b/c of the poor repuatation following these engines. If they couldnt figure out a simple cooler issue after 3 occurences, they obviously dont have very much experience with these motors. The smoke is the build up from the leaking coolant into the intake. It is a very small leak im sure, otherwise the engine would hydralock when shut down. When you accelerate, the motor increases boost and flushes the residual coolant into the cylinders from the intake manifold and reults in an incomplete combustion b/c of the antifreeze/water introduced. The hotter the engine gets, the more pressure builds in the cooling system, forcing more coolant into the intake through the egr cooler and egr valve port. If you can I would delete the cooler or replace with an aftermarket piece.
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Old 12-09-2010, 12:14 PM
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Thanks for the input guys i just talked to the dealership and they said after they cleared the egr codes and checked everthing over they cant find anything wrong egr or oil cooler and said the coolant wasnt too low whatever that means? The smoke is from an oil leak in the turbo they are rebuilding the turbo now. Wish me luck and thanks again.
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