Forum Discussion

teeznu's avatar
teeznu
Explorer
May 10, 2021

Diesel Engine Owners- I've a DUSTED engine, so cummins says

This will be somewhat of a lengthy post. What I'm looking for is a very short response. "RUN and or GET A SECOND OPINION" In Nov of 2020 a code popped up "Too much crank case pressure" on an ISL ...
wolfe10's avatar
wolfe10
Explorer
May 10, 2021
3 tons wrote:
Dusting generally means that unfiltered air (say, due to a loose or broken intake hose connection) enters into the intake manifold and scores the cylinders...

3 tons


Yup,that is what dusting is. Another cause is an old air filter element with torn pleats, deterioration from water intrusion, someone trying to clean the filter by banging it, etc.

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,330 PostsLatest Activity: Oct 30, 2025