Code
P0105
Air intake
MAP sensor circuit malfunction
The manifold pressure sensor circuit has a fault.
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Most likely causes
- Faulty MAP sensor
- Wiring fault
- Restricted vacuum hose
Symptoms you may notice
- Check engine light
- Rough idle
- Poor power
Checks to run
- Test MAP voltage vs vacuum
- Inspect the vacuum hose
- Check wiring
Tools you may need
Multimeter
Vacuum gauge
Always diagnose before replacing. Codes share symptoms; confirm the cause with measurements before buying parts.