OBD-II Diagnostic Trouble Codes

P0431 – Warm Up Catalyst Efficiency Below Threshold Bank 2

36 views 2025-11-24

P0422 – Main Catalyst Efficiency Below Threshold Bank 1

34 views 2025-11-24

P0421 – Warm Up Catalyst Efficiency Below Threshold Bank 1

39 views 2025-11-24

P0179 – Fuel Composition Sensor Circuit High

21 views 2025-11-24

P0178 – Fuel Composition Sensor Circuit Low

24 views 2025-11-24

P0177 – Fuel Composition Sensor Circuit Range/Performance

18 views 2025-11-24

P0176 – Fuel Composition Sensor Circuit

20 views 2025-11-24

P0175 – System Too Rich Bank 2

31 views 2025-11-24

P0174 – System Too Lean Bank 2

24 views 2025-11-24

P0173 – Fuel Trim Bank 2

39 views 2025-11-23