OBD-II code · Powertrain (generic)
P0108 Manifold Absolute Pressure Sensor High Input
The MAP sensor reports a pressure above the upper threshold the ECU expects in any engine state. Typically caused by a short in the signal circuit or a sensor that has failed producing a fixed high output.
Is it safe to drive with P0108?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySignal wire shorted to supply voltage
- PossibleMAP sensor failed
- Less likelySensor ground broken
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–2 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Map Sensor, Map Sensor Wiring
Related codes
- P0105Manifold Absolute Pressure / Barometric Pressure Circuit Malfunction
- P0106Manifold Absolute Pressure Sensor Range/Performance
- P0107Manifold Absolute Pressure Sensor Low Input
- P0109Manifold Absolute Pressure / Barometric Pressure Circuit Intermittent
- P010AMass or Volume Air Flow Sensor B Circuit
- P010BMass or Volume Air Flow Sensor B Circuit Range/Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.