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2014 Navistar Non SCR
Posted to HD/Fleet Forum on 5/14/2018 8 Replies

7400 6x4 EH797747. Installed an Open Crankcase Breather (OCCB) kit, part # 2513484C92. This conversion onvolves replacing the engine ECM and engine wiring harness. After install EGR valve will not open. At key on it buzzes, cannot be commanded to open. No code... Login to read more.

8 Replies Received (View Replies)