OBD2 Codes

P0102 – MAF Sensor Circuit Low Input

MAF sensor reading too low

Details

The MAF sensor is reading abnormally low.

Typical causesFaulty MAF sensor, wiring issue, disconnected sensor
SymptomsRough idle, poor performance, check engine light
SeverityMedium
DIY checksCheck MAF sensor wiring, test sensor
ToolsOBD2 scanner, multimeter

Utilities

Copy-paste helpers

Quick checklist

Check MAF sensor wiring, test sensor

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FAQ

Common questions

What causes P0102?

Faulty MAF sensor, wiring issue, disconnected sensor

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