Sorry for the confusion. I guess diesels have CCV's not PCV's.
Smoke from the intake was after the engine was shut off.
I don't think the addition of biodiesel is the problem but maybe someone else has had this experience.
How do you do a compression test on a diesel? Do you pull the...
Thanks for the info.
It wasn't smoking from the intake when it was running, only after it was shut down.
The puffing is at idle and not a lot but certainly visible.
There have been no modifications and the turbo fins are fine.
My 7.3 just started using oil. Took it in for an oil change and was told that there was no oil on the dipstick.
I had just checked it a few days ago and it was 1/2 quart down. When I take the filler cap off I can see smoke coming out in puffs as in maybe one cylinder is leaking. My mechanic...