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Home >> Kia >> 2016 >> Cadenza Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 3) >> DTC P0271: Cylinder 4 Injector Circuit High >> Component Inspection

Component Inspection

■ Check Injector resistance 

  1. IG "OFF" and disconnect Injector connector.
  2. Measure resistance between High and Low side terminals of Injector. (Component Side)

    Specification:  0.98~1.14Ω [20°C (68°F)]

  3. Is the measured resistance within specification?

    YES 

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

    NO 

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