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EGR Function (Close) SYSTEM DESCRIPTION Crankshaft position sensor E Engine speed ECM E EGRC-sole- Mass air flow sensor E Amount of intake air Engine coolant temperature sensor E Engine coolant temperature Ignition switch E Start signal Vehicle speed sensor E Vehicle speed Throttle position sensor E Throttle position Secondary throttle position sensor E Throttle position This system cuts and controls vacuum applied to the I Low engine coolant temperature I Engine starting I Engine stopped I Engine idling I Excessively high engine coolant temperature I Mass air flow sensor malfunction I Low vehicle speed or high vehicle speed I TCS is operating SEF317U SEF783K COMPONENT DESCRIPTION Exhaust gas recirculation (EGR) valve The EGR valve controls the amount of exhaust gas routed to the GI MA EM LC FE AT PD FA RA BR ST RS BT HA EL IDX TROUBLE DIAGNOSIS FOR DTC P0400 EC-281 |