How to Replace the EGR Valve on a 2002-2009 Mercedes E320 W211
How to Diagnose an EGR Valve on a Mercedes
Brian Eslick from How to Automotive takes you step-by-step through the process of diagnosing an EGR valve on a Mercedes. Car came in with code P0400 insufficient EGR flow. You will need a vacuum pump jumper wires powerPro tester for a 12 V battery source.
How to Diagnose the EGR Valve on a Chevy Suburban with a 5.3 L Engine
Brian Eslick from How to Automotive takes you step-by-step through the process of diagnosing the EGR valve on a 2000 Chevy suburban with a 5.3 L engine that is making the engine stall.