LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 1986 >> 190D Automatic >> Repair and Diagnosis >> Engine Performance >> System >> EGR System >> Component Operation >> Switchover Valve (EGR Valve)

Switchover Valve (EGR Valve)

This valve switches vacuum to the EGR valve at given operating conditions. Activation is by the control unit in conjunction with microswitch depending on coolant temperature, engine speed, engine load and vehicle speed.