Quote:
Originally Posted by 101lifts2
DPFs were installed on 2007 and higher MY trucks, not 2004s. And why touch the EGR? You stand a chance of cracking the exhaust manifold due to excessive heat. Not to mention you are getting to set a P0401 DTC.
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Yeah, forgot what year she had when I typed up the fixes.
Why delete/block the EGR? Easy, it's the #1 problem causation on the 6.0L Navistar diesel engine. Second would be the injectors.
There are thousands of 6.0's with the EGR's deleted/blocked without issue. I have never seen a 6.0 that didn't have the EGR delete/blocked that hasn't had at least one EGR replaced.