What does code P1136 mean on Volkswagen vehicles?
The ECU reports a lean condition in the additional long-term fuel trim correction for bank 1.
OBD-II Code Volkswagen
P1136 — Volkswagen — Long Term Fuel Trim Additional Fuel Bank 1 System Too Lean
The ECU reports a lean condition in the additional long-term fuel trim correction for bank 1.
Common symptoms
- Hesitation
- unstable idle
Possible causes
- Vacuum leaks
- MAF sensor contamination or failure
Initial recommendation
Inspect intake system for leaks and evaluate MAF sensor performance.
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 P1136 with your vehicle's actual symptoms for more complete diagnostic guidance.
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