DTC P1101: Mass Airflow (MAF) Sensor, Out Of Range: Condition
WARNING: This page is about a different car, the 2002 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
DTC is set when Powertrain Control Module (PCM) detects input voltage from MAF sensor is more than .27 volt when performing a KOEO self-test. DTC is also set when Powertrain Control Module (PCM) detects input voltage from MAF sensor is less than .46 volt or more than 2.44 volts when performing a KOER self-test. Possible causes are:
- MAF sensor malfunction.
- Plugged MAF sensor screen.
- Intake air leak near MAF sensor.
- PCM malfunction.