A
p0101
Moderate
Alfa Romeo · Sedans & Sports Cars
Mass or Volume Air Flow Circuit Range/Performance Problem
Quick Answer
Error code P0101 on your Alfa Romeo Sedans & Sports Cars means: Mass or Volume Air Flow Circuit Range/Performance Problem. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
960952952QF940955949949QF116
Likely Causes
  1. Dirty mass airflow sensor
  2. Air intake leak
  3. Faulty mass airflow sensor
  4. Vacuum leak in intake system
How to Fix It
1
Inspect mass airflow sensor element
2
Clean sensor with proper cleaner
3
Check for air intake leaks
4
Verify sensor voltage output
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Mass airflow sensor
Intake gasket
Air filter
Related Error Codes
Video Guides
Loading video guides…
Search more on YouTube →