Forum Discussion
tinkerer
Nov 30, 2015Explorer
Mr.Mark wrote:https://www.dieselnet.com/news/2005/03cat.php
Tinkerer,
EGR's were required on 2003 engines and up (pretty sure). Not to be confused with DPF (diesel particulate filter) equipped engines which started in 2007.
MM.
Caterpillar didn't appear to use the EGR system until 2007 manufactured year.
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