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ECK-180 < DTC/CIRCUIT DIAGNOSIS > [K9K] P0002 FUEL PRESSURE 4. CHECK FOR FUEL LEAK Check for fuel leakage at fuel circuit. YES >> GO TO 5. NO >> Repair or replace malfunctioning parts. 5. CHECK HIGH PRESSURE FUEL PUMP Check high pressure fuel pump. Refer to ECK-180, "Component Inspection (High Pressure Fuel Pump)" Is the inspection result normal? YES >> GO TO 6. NO >> Replace error-detected parts. 6. CHECK FUEL INJECTOR Check fuel injector. Refer to ECK-180, "Component Inspection (Fuel Injector)" . Is the inspection result normal? YES >> GO TO 7. NO >> Replace error-detected parts. 7. CHECK FUEL RAIL PRESSURE LIMITER Check fuel rail pressure limiter. YES >> Check intermittent incident. Refer to GI-41, "Intermittent Incident" . NO >> Replace error-detected parts. Component Inspection (High Pressure Fuel Pump) INFOID:0000000010289747 1. CHECK HIGH PRESSURE FUEL PUMP 1. Disconnect high pressure fuel pump harness connector. 2. Check the resistance between high pressure fuel pump terminals as follows. Is the inspection result normal? YES >> INSPECTION END NO >> Replace high pressure fuel pump. Component Inspection (Fuel Injector) INFOID:0000000010289748 1. CHECK FUEL INJECTOR 1. Turn ignition switch OFF. 2. Disconnect fuel injector harness connector. 3. Check the resistance between fuel injector terminals. Is the inspection result normal? YES >> INSPECTION END NO >> Replace fuel injector. High pressure fuel pump Condition Resistance + - Terminal 1 2 Temperature ° C ( ° F) 20 (68) 2.55 - 2.81 Ω Fuel injector Condition Resistance + − Terminal 1 2 Temperature: 20 ° C (68 ° F) 150 – 250k Ω |