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Mazda
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1996
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Protege L4-1839cc 1.8L DOHC
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Exhaust Gas Recirculation
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EGR Valve
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Description and Operation
EGR Valve: Description and Operation
EGR VALVE
Recirculates portion of exhaust gas through intake, thus reducing combustion temperatures and reducing NOx emissions.