Mercedes Benz

  Diagnostic Trouble Codes (DTC) that BMW owners may encounter. Please note that the frequency of specific codes can vary over time, and the following list is not exhaustive: 1. P0300 - Random/Multiple Cylinder Misfire Detected 2. P0171 - System Too Lean (Bank 1) 3. P0174 - System Too Lean (Bank 2) 4. P0420 - Catalyst System Efficiency Below Threshold (Bank 1) 5. P0430 - Catalyst System Efficiency Below Threshold (Bank 2) 6. P0455 - Evaporative Emission System Leak Detected (Large Leak) 7. P0442 - Evaporative Emission System Leak Detected (Small Leak) 8. P0301 - Cylinder 1 Misfire Detected 9. P0302 - Cylinder 2 Misfire Detected 10. P0303 - Cylinder 3 Misfire Detected 11. P0304 - Cylinder 4 Misfire Detected 12. P0305 - Cylinder 5 Misfire Detected 13. P0306 - Cylinder 6 Misfire Detected 14. P0307 - Cylinder 7 Misfire Detected 15. P0308 - Cylinder 8 Misfire Detected 16. P2187 - System Too Lean at Idle (Bank 1) 17. P2189 - System Too Lean at Idle (Bank 2) 18. P0012 - "A...