P1102
Mass Air Flow Sensor In Range But Lower Than Expected
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)
Symptoms
- Increased fuel consumption
- Reduced engine power
- Unstable idling
- Difficulty starting the engine
- Dips during acceleration
Causes
- Contamination or damage to the air flow sensor
- Air leak after mass air flow sensor
- Sensor wiring problems
- Dirty air filter
- Engine control unit malfunction
How to Fix
- Check the condition of the air filter
- Clean or replace the mass air flow sensor
- Check the tightness of the intake system
- Check the integrity of the sensor wiring
- Test the sensor using diagnostic equipment