Multi-code OBD2 diagnosis

Enter all the codes your scanner showed, not just the first one. We give you the overall severity, whether you can keep driving, the order in which to check them and how they relate to each other.

Summary

Overall severity
High
Can I keep driving?
No, stop and have it checked
Estimated cost
$100 to $1,500
Codes analyzed
1 of 1

The order below is the recommended one: first the codes that can cause the others. After each repair, clear the codes and check which ones come back.

Order of inspection

  1. P0093 Fuel System Leak Detected (Large Leak) High

    The P0093 code means the system detected fuel pressure falling by more than anything but a major leak in the high-pressure circuit can explain. It is one of the few codes that calls for stopping the vehicle: high-pressure diesel spraying onto a hot engine is a real fire risk.

    Step-by-step diagnosis for P0093