OBD-II code guide
P0106 MAP Sensor Range or Performance
P0106 means the manifold pressure signal is not matching expected engine conditions.
What it means
The computer distrusts the MAP sensor reading used to estimate engine load.
Common symptoms
- Rough idle
- Hesitation
- Stalling
- Poor fuel economy
- Check engine light
Likely causes
- MAP sensor fault
- Vacuum leak
- Dirty throttle body
- Wiring issue
- EGR or intake problem
First checks
- Inspect vacuum hoses.
- Check throttle body condition.
- Compare MAP reading with key on engine off.
- Look for related idle or EGR codes.