What does code P1165 mean on Nissan vehicles?
The swirl control valve vacuum switch is malfunctioning, affecting intake air control.
OBD-II Code Nissan
P1165 — Nissan — Swirl Control Valve Control Vacuum Switch
The swirl control valve vacuum switch is malfunctioning, affecting intake air control.
Common symptoms
- Poor engine performance
Possible causes
- Faulty vacuum switch
- vacuum line issue
Initial recommendation
Check swirl control vacuum switch and vacuum hoses.
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.
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