A malfunctioning exhaust gas recirculation (EGR) valve significantly impacts diesel engine performance by disrupting the air-fuel mixture and combustion process, leading to reduced power, increased emissions, and potential engine damage. The EGR valve's primary function is to reduce nitrogen oxide (NOx) emissions by recirculating a portion of the exhaust gas back into the intake manifold. This exhaust gas dilutes the incoming air charge, reducing the peak combustion temperature. Lower combustion temperatures inhibit the formation of NOx. If the EG....
Log in to view the answer
