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?
Yes, but with caution
Estimated cost
$80 to $700
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. P0190 Fuel Rail Pressure Sensor A Circuit High

    The P0190 code means the computer found an electrical fault in the fuel rail pressure (FRP) sensor circuit: it is getting an impossible signal or no signal at all. The most common causes are a damaged connector, a broken wire or the sensor itself. Because rail pressure matters for starting and power, do not leave it for long.

    Step-by-step diagnosis for P0190