Top 30 Searched OBDII Engine Codes

  • 1. P1273 NISSAN      
    1,743,848 Views
    Air Fuel Ratio Sensor 1 Bank 1 Lean Shift Monitoring
  • 2. P0420 NISSAN      
    655,145 Views
    Catalyst System Efficiency Below Threshold Bank 1
  • 3. P0420      
    571,424 Views
    Catalyst System Efficiency Below Threshold Bank 1
  • 4. P0300 CHEVROLET   
    558,933 Views
    Cylinder Misfire Detected Random Cylinders
  • 5. P0420 TOYOTA      
    503,860 Views
    Catalyst System Efficiency Below Threshold Bank 1
  • 6. P0171 CHEVROLET   
    493,177 Views
    Fuel Trim System Lean Bank 1
  • 7. P0171 TOYOTA   
    487,718 Views
    Air/Fuel Mixture System Lean Bank 1
  • 8. P0430      
    456,925 Views
    Catalyst System Efficiency Below Threshold Bank 2
  • 9. P0340 NISSAN      
    451,181 Views
    Camshaft Position Sensor Circuit Bank 1
  • 10. P0455 FORD      
    448,372 Views
    Evaporative Emission Control System Leak Detected Gross Leak
  • 11. P0171   
    433,869 Views
    System Too Lean Bank 1
  • 12. P0300   
    423,311 Views
    Cylinder Misfire Detected Random Cylinders
  • 13. U1000 NISSAN
    422,303 Views
    CAN Communication Line - Signal Malfunction
  • 14. P0340      
    414,660 Views
    Camshaft Position Sensor 'A' Circuit Malfunction
  • 15. P0011 NISSAN      
    412,635 Views
    Intake Valve Timing Control Performance Bank 1
  • 16. P0171 FORD   
    388,892 Views
    Fuel Injection System Too Lean Bank 1
  • 17. P1320 NISSAN   
    383,595 Views
    Ignition Signal
  • 18. P0420 HONDA      
    355,937 Views
    Catalyst System Efficiency Below Threshold Bank 1
  • 19. P0300 NISSAN   
    338,717 Views
    Cylinder Misfire Detected Random Cylinders
  • 20. P0455 NISSAN      
    337,392 Views
    EVAP Control System Gross Leak Detected
  • 21. P1345 CHEVROLET      
    327,084 Views
    Crankshaft Position-Camshaft Position Correlation
  • 22. P1456 HONDA   
    317,778 Views
    Evaporative Emissions Control System Leakage Fuel Tank
  • 23. P0455 CHEVROLET   
    315,721 Views
    Evaporative Emission Control System Leak Detected Gross Leak
  • 24. P0455      
    307,613 Views
    Evaporative Emission Control System Leak Detected Gross Leak
  • 25. P1000 FORD   
    306,284 Views
    On Board Diagnostic System Readiness Test Not Complete
  • 26. P1259 HONDA   
    299,897 Views
    VTEC System Malfunction
  • 27. P0446 TOYOTA   
    298,921 Views
    EVAP System Vent Control Circuit
  • 28. P0303   
    284,424 Views
    Cylinder 3 Misfire Detected
  • 29. P1450 FORD   
    273,107 Views
    Unable to Bleed Up Bleed Fuel Tank Vacuum
  • 30. P1148 NISSAN   
    261,335 Views
    Closed Loop Control Function Bank 1