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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 148 (Engine Control System Diagnosis - 1.6L (3 Of 3)) >> DTC P1233-00: Low Pressure Fuel System - High Deviation Between Target And Current Pressure >> Component Inspection >> Check Fuel Pump Performance

Check Fuel Pump Performance

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn the ignition switch "OFF".
  2. Disconnect fuel pump.
  3. Check for motor operating state by connecting battery power to fuel pump control (+) terminal and ground to fuel pump control (-) terminal. (Component side)
  4. Is the measured normal?

    YES 

    • Replace the Fuel Filter with an usable one and check for proper operation. If the problem is corrected, replace the Fuel Filter and then go to "VERIFICATION OF VEHICLE REPAIR ".
    • If problem is not fixed with replacing fuel filter, Replace the FPCM with an usable one and check for proper operation. If the problem is corrected, replace the FPCM and then go to "VERIFICATION OF VEHICLE REPAIR ".

    NO 

    • Replace the Fuel Pump with an usable one and check for proper operation. If the problem is corrected, replace the Fuel Pump and then go to "VERIFICATION OF VEHICLE REPAIR ".
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