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Mazda
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2003
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MPV ES
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Repair and Diagnosis
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Engine Performance
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Engine Controls - Self-Diagnostics
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Diagnostic Tests
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DTC P0103: Mass Airflow Sensor - Low Input
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Possible Causes
Possible Causes
MAF/IAT sensor malfunction.
Open or short to power between MAF/IAT sensor and PCM harness connectors.
Poor connection at MAF/IAT sensor or PCM harness connector terminals.