Possible causes – Exhaust Gas Recirculation Valve harness is open or shorted– Exhaust Gas Recirculation Valve circuit poor electrical connection– Faulty Exhaust Gas Recirculation Valve– Exhaust Gas Recirculation Valve clogged– Exhaust gas leaks Tech notes EGR flow malfunction could be
Possible causes – Exhaust Gas Recirculation Valve harness is open or shorted– Exhaust Gas Recirculation Valve circuit poor electrical connection– Faulty Exhaust Gas Recirculation Valve– Exhaust Gas Recirculation Valve clogged– Exhaust gas leaks Tech notes In some 1999
Possible causes – Vacuum cut valve bypass valve– Vacuum cut valve– Bypass hoses for clogging– EVAP control system pressure sensor and circuit– EVAP canister vent control valve– Hose between fuel tank and vacuum cut valve clogged– Hose between vacuum cut
Possible causes – Vacuum cut valve bypass valve– Vacuum cut valve– Bypass hoses for clogging– EVAP control system pressure sensor and circuit– EVAP canister vent control valve– Hose between fuel tank and vacuum cut valve clogged– Hose between vacuum cut
Possible causes – Vacuum cut valve bypass valve – Vacuum cut valve – Bypass hoses for clogging – EVAP control system pressure sensor and circuit – EVAP canister vent control valve – Hose between fuel tank and vacuum cut valve
Possible causes – Vacuum cut valve bypass valve– Vacuum cut valve– Bypass hoses for clogging– EVAP control system pressure sensor and circuit– EVAP canister vent control valve– Hose between fuel tank and vacuum cut valve clogged– Hose between vacuum cut
P1491 DODGE – Eva Leak Monitor Pinched Hose Found