P0101Severity: Medium
P0101 – Mass Air Flow (MAF) Range/Performance
The air flow measured by the MAF sensor is out of the expected range.
What it means
The mass air flow (MAF) sensor is measuring the air entering the engine incorrectly or inconsistently. A dirty sensor or intake leaks are the most common causes.
Symptoms
- Loss of power
- Rough idle
- Increased fuel use
- Hard starting
Common causes
- Dirty MAF sensor
- Intake/vacuum leak
- Clogged air filter
- Loose air hose
With AutoMulti
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Frequently asked questions
What does trouble code P0101 mean?
P0101 – Mass Air Flow (MAF) Range/Performance. The mass air flow (MAF) sensor is measuring the air entering the engine incorrectly or inconsistently. A dirty sensor or intake leaks are the most common causes.
Can I drive with a P0101 code?
You can usually drive short distances, but it's best to have it checked before it gets worse.