P0108 Manifold Absolute Pressure/Barometric Pressure Circuit High Input
The MAP sensor signal is too high.
Common causes
- Shorted signal circuit
- Faulty sensor
- Disconnected vacuum hose
Symptoms
- Check engine light
- Rich running
- Poor fuel economy
What to check
- Check the vacuum hose to the sensor
- Check ground circuit
- Compare reading with a vacuum gauge
Manufacturers may add their own detail to generic codes. If your vehicle shows a different description for P0108, follow the service information for that make and model.
Related codes
- P0100 Mass or Volume Air Flow Circuit
- P0101 Mass or Volume Air Flow Circuit Range/Performance
- P0102 Mass or Volume Air Flow Circuit Low Input
- P0103 Mass or Volume Air Flow Circuit High Input
- P0106 Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance
- P0107 Manifold Absolute Pressure/Barometric Pressure Circuit Low Input