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Home › Mazda › 2003 › MX-5 Miata Base, 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

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