p0101
Easy Fix
Infiniti · Sedans
Mass Airflow Sensor Range/Performance Problem
Quick Answer
Error code P0101 on your Infiniti Sedans means: Mass Airflow Sensor Range/Performance Problem. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Inspect air intake filter and replace if dirty
2
Clean mass airflow sensor with proper cleaner
3
Check for air leaks in intake system
4
Test mass airflow sensor voltage
5
Replace mass airflow sensor if needed
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Parts You May Need
Air filter
MAF sensor cleaner
Mass airflow sensor
Intake hose clamps
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