P1103moderate severityPowertrain
MAF Sensor In Range But Higher Than Expected
on 2012 Ford Explorer 2.0L I4 EcoBoost · AWD
What this code means
The MAF sensor signal is within the valid voltage range but consistently higher than expected by the PCM. This suggests the sensor is over-reporting airflow.
Symptoms
- Check Engine Light
- Rich running condition
- Black exhaust smoke
- Poor fuel economy
- Rough idle
Common causes
- Contaminated MAF sensor
- Faulty MAF sensor
- Air filter housing not sealed properly
- PCM calibration issue
Diagnostic steps
- Clean MAF sensor
- Verify air filter housing is sealed
- Check for TSBs related to PCM calibration
- Compare readings to specifications
Repair notes
Clean or replace MAF sensor. Ensure intake system is properly sealed.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1