P0108 OBD II Trouble Code Manifold Absolute Pressure/Barometric Pressure Circuit High Input
Detailed information on troubleshooting and repairing a p0108 trouble code which refers to a high input in the maf sensor circuit. Also includes links to relevant forum topics on the code.
Symptoms of P0108 OBD II Trouble Code
- MIL (Malfunction Indicator Lamp) will likely be on
- Engine may run poorly
- Engine may not run at all
- Fuel mileage may decrease
- Presence of black smoke at exhaust
Common Causes of P0108 OBD II Trouble Code
- Bad MAP sensor
- Leak in vacuum supply line to MAP sensor
- Engine vacuum leak
- Short on signal wire to PCM
- Short on reference voltage wire from PCM
- Open in ground circuit to MAP
- Worn engine causing low vacuum