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
- Medium
- Can I keep driving?
- Yes, no immediate risk
- Estimated cost
- $80 to $350
- 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
P2A03 O2 Sensor Circuit Range/Performance (Bank 2 Sensor 1) Medium
The P2A03 code means the bank 2 sensor 1 wideband air-fuel sensor gives a reading that is electrically valid but does not match what the computer expects. The mixture stays at fixed values, fuel use goes up and the engine may run worse. The car is still drivable.