What does code P1137 mean on Volkswagen vehicles?
The additional long-term fuel trim correction for bank 1 indicates a rich mixture condition.
OBD-II Code Volkswagen
P1137 — Volkswagen — Long Term Fuel Trim Additional Fuel Bank 1 System Too Rich
The additional long-term fuel trim correction for bank 1 indicates a rich mixture condition.
Common symptoms
- Increased fuel consumption
- possible rough running
Possible causes
- Faulty injectors
- oxygen sensor issues
Initial recommendation
Perform air-fuel mixture diagnostics and inspect injectors and O2 sensor signals.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine Volkswagen code P1137 with your vehicle's actual symptoms for more complete diagnostic guidance.
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