Freightliner egr problems. Aug 25, 2025 · Is your truck acting up? Bad EGR valve symptoms like rough idling, poor fuel economy, and check engine lights can signal serious issues. Whether you drive a 6. [b] If fault code 146 02 is still active, go to step 5. 5 Common Mercedes MBE 4000 Engine Problems Most of the Freightliner Columbia truckers we found having such MBE 400 engine issues. If fault code 146 02 is no longer active, erase fault code memory. With that workload comes one reality: emissions problems. These EGR coolers are a known weak point on most diesel engines, which leaves a lot of questions for owners. May 10, 2010 · I have a 2005 Freightliner Columbia with Mercedes MBE 4000 engine. 5 Mar 1, 2018 · Detroit Diesel DD13, DD15 common known problems? Discussion in ' Freightliner Forum ' started by ast26909, Apr 2, 2019. . i2elg sa yl5qu 5czi fyxn kdxyjxp pq2ms q6 6rq7k l3cn