P1108 – MAP/BARO Switch Solenoid Valve High Input (Nissan)
Description
The ECM detected a high input signal from the MAP/BARO switch solenoid valve.
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A diagnostic scanner with live data, freeze-frame information and the right system access can help you investigate the actual cause before replacing parts.
Compare Diagnostic ScannersSymptoms
- Poor acceleration
- Hesitation
- Rough idle
- High fuel consumption
- Check engine light
Causes
- Short to power
- Faulty solenoid
- Vacuum leak
- Connector corrosion
- ECM signal fault
Diagnosis
- Check wiring for shorts
- Inspect solenoid
- Test vacuum lines
- Scan live data
Repair
- Repair wiring
- Replace solenoid
- Fix vacuum leaks
- Clean connectors
