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• 20:32, 6 July 2026 Cliff talk contribs created page EGR solenoid (Created page with "'''EGR solenoid''' refers to the electrically controlled vacuum solenoid used by the Pontiac Fiero EGR system. The EGR solenoid controls vacuum to the EGR valve. The ECM controls the solenoid to determine when EGR operation is allowed. == Overview == The EGR solenoid is part of the exhaust gas recirculation system. The ECM does not open the EGR valve directly. Instead, it controls the EGR solenoid, which controls vacuum to the EGR valve. When the corr...")