Making Oil
I see on another forum where owners report of showing more oil on their dipstick at the end of a long hard drive than at the beginning. Mostly with turbocharged engines. Anything to this or explanat...
Forum Discussion
When I was exploring DPF cleaning shops, the best ones were very up front about the fact that they will most likely not be able to 100% clean a DPF that has been in service. The machines they have use a very extensive process of cleaning them, and when it’s done they actually count the number of cells that are still blocked. Once that number reaches XX% of the total number of cells, the DPF needs to replaced.
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