FixVault

Home › Mazda › 2003 › Protege ES, Standard › Repair and Diagnosis › Engine Performance › System › Engine Controls - Self-Diagnostics › Diagnostic Tests › DTC P0102: Mass Airflow Sensor Circuit - Low Input › Possible Causes

Possible Causes

Connector or terminal malfunction.
MAF sensor malfunction.
Open circuit between main relay and MAF sensor.
Open or short circuit between PCM and MAF sensor.
PCM malfunction.