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DTC P0093 FUEL SYSTEM EC-425 [YD (WITHOUT EURO-OBD)] C D E F G H I J K L M A EC DTC P0093 FUEL SYSTEM PFP:17520 On Board Diagnosis Logic EBS01547 DTC Confirmation Procedure EBS01548 NOTE: WITH CONSULT-II 1. Turn ignition switch ON. 2. Select “DATA MONITOR” mode with CONSULT-II. 3. Start engine and keep engine speed more than 4,000 rpm for at 4. If DTC is detected, go to EC-425, "Diagnostic Procedure" . Diagnostic Procedure EBS01549 1. PERFORM FUEL PUMP LEARNING VALUE CLEARING NOTE: With CONSULT-II 1. Turn ignition switch ON. 2. Perform Fuel Pump Learning value clearing. Refer to EC-368, "Fuel Pump Learning Value Clearing" . 3. Start engine and let it idle for at least 60 seconds. 4. Select “SELF-DIAG RESULT” mode with CONSULT-II. 5. Touch “ERASE”. 6. Perform EC-425, "DTC Confirmation Procedure" , again. 7. Is DTC detected again? Yes or No Yes >> GO TO 2. No >> INSPECTION END DTC No. Trouble diagnosis name DTC detecting condition Possible cause P0093 Fuel system leak ECM detects a fuel system leak. ● Fuel pump ● Fuel rail ● Fuel pipe ● Fuel rail pressure relief valve ● Air mixed with fuel ● Lack of fuel SEF817Y |