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Exhaust Gas Recirculation (EGR) Valve. A Valve used to recirculate small amounts of Exhaust back into the combustion chambers of the engine in order to decrease the combustion temperature, thereby reducing the formation of smog-producing nitrogen oxides. Exc.Calif. EGR Valve
Precis; Auto Trans; Federal. EGR Valve - Repair or ReplaceA failed EGR valve will often have no noticeable symptoms beyond a check engine light, but it does cause your 1991 Hyundai Sonata to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Hyundai genuine parts.
Norman Hyundai
591 North Interstate Drive, Norman, Oklahoma, 73069
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