DTC P0133 OR DTC P0153 Kia Optima I рестайлинг

1. DTC P0133: Right Front Heated Oxygen Sensor Circuit Slow Response
2. DTC P0153: Left Front Heated Oxygen Sensor Circuit Slow Response

Note. Before performing any diagnostic test, refer toWARNINGS, CAUTIONS and NOTES in DIAGNOSTIC TESTS .

Note. Testing individual components does not isolate shorts or opens. Perform all voltage tests using a Digital Volt-Ohmmeter Meter (DVOM) with a minimum 10-megohm input impedance, unless stated otherwise in test procedure. Use ohmmeter to isolate wiring harness shorts or opens.

Diagnostic Aids

Engine Control Module (ECM). monitors right front Heated Oxygen Sensor (HO2S) once per trip and will set a code when air-fuel ratio is forcibly changed (lean to rich to lean), left or right front HO2S signal does not provide response within 1.28 seconds. Check for following possible problems

1. Abnormal combustion.
2. Improper fuel pressure.
3. Front and rear HO2S connections reversed.
4. Fault in fuel delivery system.
5. Leak in intake system.
6. Leak in exhaust system.
7. Faulty left or right front HO2S.