Testing EGR Valve Mercedes MBE 900 Diesel Engine

The EGR valve is basically an electric motor opening and closing a valve. It’s an integral part of the diesel emission system on all diesel engines (2007 and newer) running on the road today. The job of the EGR is to allow a percentage of exhaust gas directly from the engine to pass through the… Continue reading Testing EGR Valve Mercedes MBE 900 Diesel Engine