• A high-capacity EGR valve and EGR cooler have been adopted for improved reliability of the EGR valve, reduced fuel consumption, cleaner exhaust emissions and improved output.
• An EGR valve with a stepping motor has been adopted for optimum control according to engine operation conditions.
• For control of EGR system, refer to CONTROL SYSTEM, EGR CONTROL. (See
EGR CONTROL OUTLINE[ZJ, ZY, Z6],
EGR CONTROL BLOCK DIAGRAM[ZJ, ZY, Z6],
EGR CONTROL OPERATION[ZJ, ZY, Z6].)