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DTC P0171, P0174 FUEL INJECTION SYSTEM FUNCTION EC-827 [VG33E] C D E F G H I J K L M A EC 9. CHECK INJECTOR 1. Confirm that the engine is cooled down and there are no fire hazards near the vehicle. 2. Turn ignition switch OFF. 3. Disconnect injector harness connectors on left bank (for DTC P0171), right bank (for DTC P0174). 4. Remove injector gallery assembly. Refer to EM-80, "OUTER COMPONENT PARTS" . Keep fuel hose and all injectors connected to injector gallery. 5. Disconnect all ignition coil harness connectors. 6. Prepare pans or saucers under each injector. 7. Crank engine for about 3 seconds. Make sure that fuel sprays OK or NG OK >> GO TO 10. NG >> Replace injectors from which fuel does not spray out. Always replace O-ring with new ones. 10. CHECK INTERMITTENT INCIDENT Refer to EC-696, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" >> INSPECTION END. Fuel should be sprayed evenly for each injector. SEF595Q |