What does code P1148 mean on Nissan vehicles?
The fuel control system is unable to achieve closed-loop operation for bank 1.
OBD-II Code Nissan
P1148 — Nissan — Closed Loop Control (Bank 1)
The fuel control system is unable to achieve closed-loop operation for bank 1.
Common symptoms
- Increased fuel consumption
- emissions issues
Possible causes
- Faulty oxygen sensor
- fuel control system issue
Initial recommendation
Check oxygen sensor operation and fuel control parameters.
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
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