ISB 6.7 - Crankcase pressure, constant clogged DPF
01-07-2019, (Subject: ISB 6.7 - Crankcase pressure, constant clogged DPF ) 
Post: #10
RE: ISB 6.7 - Crankcase pressure, constant clogged DPF
(12-22-2018 )Moose Wrote:  Check with Ford as some of these were victims or bad air cleaner/piping resulting in dusting/early engine failures.

You weren't kidding https://ford.oemdtc.com/828/fault-codes-...50-cummins
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02-03-2019, (Subject: ISB 6.7 - Crankcase pressure, constant clogged DPF ) 
Post: #11
RE: ISB 6.7 - Crankcase pressure, constant clogged DPF
Right before my exit from the big C I worked two tow trucks cases with this problem. I kinda refused to believe an engine with less than 100k miles was dusted... a couple days later the correct orifice came in and we went and road tested with the manometer...... Both were F650 with 6.7's. one had the bad clamp the other a hose was split and was ingesting. Guy I knew at Ford clued me into the issue. Once we started taking the intake and CAC system down it was very clear what caused it.....
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