Expect Haze Until Break In? Really?
I test drove a couple 6.7's at the dealership the other day, both with less than 10 miles. After a couple miles they both were hazing blue at idle for a minute or so. The service man said that it was normal blow-by that would occur until the engine broke in.
That right? All of ya'll see that?
That right? All of ya'll see that?
It's not the black smoke that is germane to the DPF, it's a light blue haze like what would be caused by low combustion temps or burning oil. I guess it could be a EGR valve returning too much and lowering combustion temperatures a lot, otherwise I don't know what it could be. The excuse he gave doesn't sound too off the wall.
At least two did it, so we'll see.
At least two did it, so we'll see.
We have a bunch of them at work, and I have never seen this....One has about 5000miles on it, and you can run your hand inside the tail pipe and not get any soot on your hand....kinda weird for a diesel. Sounds like a story, but hey who knows??? I will be getting one early in the new year, but have only driven a few so far, wasnt looking for smoke, but sure didnt notice any either!
I test drove a couple 6.7's at the dealership the other day, both with less than 10 miles. After a couple miles they both were hazing blue at idle for a minute or so. The service man said that it was normal blow-by that would occur until the engine broke in.
That right? All of ya'll see that?
That right? All of ya'll see that?
I was thinking it might be some sort of coating too, but I couldn't think of what would be coated. I wasn't thinking about a coating in the DPF or cat... I can buy that.
Last edited by Begle1; Dec 20, 2007 at 02:09 PM.



that does not sound normal, maybe the dealer doesn't know too much, or there is something weired about those new motors.
