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
Low
Can I keep driving?
Yes, no immediate risk
Estimated cost
$50 to $400
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. P0145 O2 Sensor Circuit Slow Response (Bank 1 Sensor 3) Low

    The P0145 code means the bank 1 sensor 3 oxygen sensor reacts too slowly to changes in the mixture. The most common cause is an aged or contaminated sensor, though exhaust leaks and mixture problems can also trigger it.

    Step-by-step diagnosis for P0145