So, the (EGR) valve, is an emission control device, which helps maintain, the combustion chamber temperature.
Consequently, in an effort to reduce, the formation of nitrogen oxides (NOx). Furthermore, the exhaust gas recirculation (EGR) valve, draws exhaust, by means of intake vacuum, which dilutes, the incoming air/fuel mixture.
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(EGR) Valve – Common Problems And Troubleshooting Procedures
Exhaust Gas Recirculation – Types, Failure, Cleaning, Replacement
BY DANNY BENDER