is the CAT fuel filter really a 2 micron filter?? - Page 6 - Chevy and GMC Duramax Diesel Forum
To me it seems like the CAT filter solves one problem but creates another. Better filtration is a plus, but water in the fuel will destroy injectors and pumps just as quickly if not quicker than the 2-7 micron dirt. The stock WIF indicator is worse than u...