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
Likely Causes
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
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