DTC P0130: HO2S (FRONT) CIRCUIT MALFUNCTION Kia Sephia I рестайлинг

Heated Oxygen Sensor (HO2S) (front) circuit malfunction code may be set by

1. HO2S sensor (front) malfunction.
2. Exhaust system leak.

1. Check HO2S and PCM connections. Repair as needed. Go to next step.
2. Check PCM pin voltage at connector C254 terminal No. 2. See «PIN VOLTAGE CHARTS»(ref-25101) article. If voltage is okay, go to step 5). If voltage is out of specification go to next step.
3. Disconnect HO2S (front) connector. Check continuity between PCM connector C254 terminal No. 2 and HO2S sensor connector terminal No. 1. If continuity exists, go to next step. If continuity does not exist, repair wiring.
4. Check HO2S heater power and ground. See «WIRING DIAGRAMS»(ref-25088) article. Repair as needed. If no problems are found, replace HO2S.
5. Clear code. Recheck codes. If code returns, replace PCM. If code does not return, problem is intermittent.