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EC-198 < DTC/CIRCUIT DIAGNOSIS > [VK56VD] P008A LOW FUEL PRESSURE CONTROL SYSTEM P008A LOW FUEL PRESSURE CONTROL SYSTEM DTC Logic INFOID:0000000006217787 DTC DETECTION LOGIC NOTE: DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING 1. Turn ignition switch OFF and wait at least 10 seconds. 2. Turn ignition switch ON. 3. Turn ignition switch OFF and wait at least 10 seconds. TESTING CONDITION: >> GO TO 2. 2. PERFORM DTC CONFIRMATION PROCEDURE 1. Check that the fuel tank is 1/8 full of fuel. 2. Start the engine and warm it up to the normal operating temperature. ° C (158 ° F). 3. Let the engine at idle for 60 seconds. 4. Check 1st trip DTC. Is 1st trip DTC detected? YES >> Proceed to . NO >> INSPECTION END Diagnosis Procedure INFOID:0000000006217788 1. PERFORM LOW PRESSURE FUEL PUMP COMPONENT FUNCTION CHECK EC-512, "Component Function Check" . Is the inspection result normal? YES >> GO TO 2. NO >> Perform low pressure fuel pump diagnosis. Refer to . 2. CHECK FUEL LEAKAGE 1. Start the engine. 2. Visually check that the low fuel pressure system has no fuel leakage. Is inspection result normal? YES >> GO TO 3. NO >> Repair or replace error-detected parts. 3. CHECK LOW PRESSURE FUEL PIPING AND HOSE 1. Turn ignition switch OFF. DTC No. Trouble diagnosis name DTC detecting condition Possible cause P008A Low fuel pressure too low A condition of low fuel pressure 0.23 MPa (2.3 bar, 2.346 kg/cm 2 , 33.35 psi) or less continues for 5 seconds or more • Harness or connectors (The low pressure fuel pump circuit is • Low pressure fuel pump |