Had a truck come in, for dpf delete and h&s.. ford dealer said dpf was plugged. Did the delete and tune and had bad injectors once fired up. #1 was stuck.. Changed all 8 and from start up till now 400 miles. It has had gray smoke at idle, pretty heavy and haze going down road, its using oil and coming out the tail pipe. The truck came in non running so hard to say what it was doing before. Just looking in a direction to head or what to look for, as never been into a 6.4 this deep yet. I thought originally it was just from the injector being stuck and would clean up after some miles. Washed cylinder? Turbo seals? Etc? What do you think?
GRAY smoke all the time and oil usage
- Thread starter House
- Start date
extreme3807
Active member
Oil out the tailpipe sounds like a turbo issue to me
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jdgleason
Active member
I'd be lookin at turbos.
