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EC-218 < DTC/CIRCUIT DIAGNOSIS > [MR18DE] P0171 FUEL INJECTION SYSTEM FUNCTION 2. Listen to each fuel injector operating sound. Is the inspection result normal? YES >> GO TO 8. NO >> Perform trouble diagnosis for FUEL INJECTOR, refer to EC-406, "Component Function Check" . 8. CHECK FUEL INJECTOR 1. Turn ignition switch OFF. 2. Confirm that the engine is cooled down and there are no fire hazards near the vehicle. 3. Disconnect all fuel injector harness connectors. 4. Remove fuel tube assembly. Refer to EM-35, "Removal and Installation" . Keep fuel hose and all fuel injectors connected to fuel tube. 5. Disconnect all ignition coil harness connectors. 6. Prepare pans or saucers under each fuel injector. 7. Crank engine for about 3 seconds. Is the inspection result normal? YES >> GO TO 9. NO >> Replace fuel injectors from which fuel does not spray out. Always replace O-ring with new ones. Refer to 35, "Removal and Installation" . 9. CHECK INTERMITTENT INCIDENT GI-40, "Intermittent Incident" >> INSPECTION END Clicking noise should be heard. PBIB3332E Fuel should be sprayed evenly for each fuel injector. PBIA9666J |