P0102Severity: Medium
P0102 – Mass Air Flow (MAF) Sensor Low Input
The MAF sensor reports a lower signal than expected.
What it means
The mass air flow sensor reports less air entering the engine than actual. A dirty sensor, intake leak or wiring issue can be the cause.
Symptoms
- Loss of power
- Rough idle
- Hard starting
- Check-engine light
Common causes
- Dirty MAF sensor
- Intake/air-filter leak
- Wiring/connector issue
- Faulty MAF sensor
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Frequently asked questions
What does trouble code P0102 mean?
P0102 – Mass Air Flow (MAF) Sensor Low Input. The mass air flow sensor reports less air entering the engine than actual. A dirty sensor, intake leak or wiring issue can be the cause.
Can I drive with a P0102 code?
You can usually drive short distances, but it's best to have it checked before it gets worse.