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No, the ULSD fuel is much better at that and the PD engines have an o2 sensor which regulates the EGR valve much better. There will be minor buildup but unless it's as bad as the ALH I wouldn't bother cleaning it.
 

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Discussion Starter #22
Thanks, I won't bother with the intake cleaning then.

Lots of great info on this site, just need more time to read through it all!

Tbone
 
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