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Home › Hyundai › 2017 › Veloster Base, Standard Trans › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (1 Of 3) - 1.6L GDI › DTC P0133: O2 Sensor Circuit Slow Response (Bank 1/Sensor 1) › Component Inspection › Check Injector

Check Injector

  1. Ignition "OFF".
  2. Remove Injector.
  3. Check Leakage and clog on Injector.
  4. Measure resistance terminal 1 and 2 of Injector connector (Component side).

    Specification: 

    Coil Resistance (Ω) Temp (°C) Temp (°F)
    1.25 20 68
  5. Is the measured resistance within specifications?

    YES 

    • Go to "Check sensors related to Fuel Trim" as below.

    NO 

    • Substitute with a known-good Injector and check for proper operation. If the problem is corrected, replace Injector and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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