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• 20:31, 6 July 2026 Cliff talk contribs created page EGR system (Created page with "'''EGR system''' refers to the exhaust gas recirculation system used on the Pontiac Fiero. EGR stands for '''Exhaust Gas Recirculation'''. The system allows a controlled amount of exhaust gas to enter the intake under certain operating conditions. This helps reduce combustion temperature and emissions. == Overview == The EGR system is an emissions-control system. It is not active under all driving conditions. The ECM controls EGR operation based on engine temp...")