P0102

Book a visit soon

Mass Air Flow Sensor Circuit Low

What this code means

The MAF sensor signal is below the plausible range - the ECU sees almost no airflow reading.

Common symptoms

Stalling and rough idle
Poor throttle response
Black smoke possible

Most common causes

Disconnected or failed MAF
Broken wiring
Heavily contaminated sensor element

Can you keep driving?

Usually driveable in fallback mode with reduced performance - a cheap sensor check comes first.

Do not guess in the dark

Find a trusted auto repair shop near you and book a diagnostic visit online in minutes.

Find a repair shop

Run a shop? The OBD decoder, VIN tools and parts catalog are built into the Motoro dashboard. See Motoro for workshops

Descriptions are for guidance only. Accurate diagnosis requires a workshop inspection.