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HOMESERVICE MANUALSKIA2015FORTE LX, AUTOMATIC TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM DIAGNOSIS (1 OF 2) - 1.8LDTC P0136: O2 SENSOR CIRCUIT (BANK 1/SENSOR 2)COMPONENT INSPECTION
2015 Kia Forte LX, Automatic Trans

Component Inspection

2015 Kia Forte LX, Automatic TransSECTION Component Inspection
  1. With ignition "OFF", reconnect the HO2S connector.
  2. Warm up the engine to normal operating temperature and let it idle.
  3. Connect GDS and monitor the O2 SNSR VOL.-B1/S2 parameter on the GDS data list.

    Specification:  Above 0.7V at idle

  4. Is sensor data near the specified value?

    YES 

    • Check for poor connection between PCM/ECM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Check HO2S for contamination, deterioration, or damage. Substitute with a known-good HO2S and check for proper operation. If the problem is corrected, replace HO2S and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.