P0105
Manifold Absolute Pressure/Barometric Pressure Circuit Malfunction
Generic code
Fuel and Air Metering
High severity
Hard repair
Free on OBD DashX
Want real-world data on P0105?
See which problems come with P0105, how often it shows up in other vehicles, and how to fix it — step by step.
- Real-world fix data
- How often it happens
- Step-by-step repairs
What P0105 means
- The fault code P0105 indicates that there is a malfunction in the circuit that controls the Manifold Absolute Pressure (MAP) or Barometric Pressure (BARO) sensor. This may cause the engine to run poorly, decrease fuel efficiency, and may affect other vehicle functions.
Possible symptoms
- Illuminated check engine light
- Decreased fuel efficiency
- Poor engine performance, such as rough idle or hesitation
- Engine stalls or does not start
Possible causes
- Damaged or failed MAP/BARO sensor
- Faulty or corroded wiring or connections in the circuit
- Vacuum leaks or clogged air intake system
- Failed engine control module (ECM)
Related parts
- Manifold Pressure Sensor: Manifold Pressure sensor measures the pressure of air flowing in the engine from outside to ensure proper fuel combustion. This car's malfunctioning pressure sensor will lead to engine misfire, poor fuel economy & rough running
Possible solutions
- Replace the MAP/BARO sensor
- Check and repair any damaged wiring or connections
- Check and repair any vacuum leaks or clogs in the air intake system
- Replace the engine control module (ECM) if necessary
Free on OBD DashX
P0105 on OBD DashX
Real-world causes, how often this code shows up, and the fix — step by step.
Open P0105 No sign-up needed · available in 10 languagesScan your own car
Read and clear fault codes, live data and service resets with the CaRPM app.