What does code P0108 mean?
The MAP sensor signal is too high; the ECU interprets excessive pressure in the intake manifold.
OBD-II Code
P0108 — Manifold Absolute Pressure or Barometric Pressure Circuit High Input
The MAP sensor signal is too high; the ECU interprets excessive pressure in the intake manifold.
Common symptoms
- Unstable idle
- loss of power
- lean or rich mixture depending on ECU correction
Possible causes
- Signal wire shorted to voltage
- faulty MAP sensor
- disconnected vacuum hose
Initial recommendation
Inspect vacuum hoses, check sensor wiring and replace MAP sensor if condition persists.
Safety notice
This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine code P0108 with your vehicle's actual symptoms for more complete diagnostic guidance.
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