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, but with caution
- Estimated cost
- $20 to $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
P1137 Long Term Fuel Trim Additive (Air), Bank 1: System Too Rich (Volkswagen) Medium
On Volkswagen, Audi, Seat and Skoda, the P1137 code means the additive (air) long term fuel trim on bank 1 ran out of range because the mixture was too rich. Expect high fuel use. A stuck-open purge valve or a leaking injector is a common cause.