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Home >> Subaru >> 1994 >> Legacy Alpine >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Code Testing >> Code 49 - Airflow Sensor
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Code 49 - Airflow Sensor

Code 49 indicates an improper airflow sensor is being used. Check airflow sensor specifications. For non-turbo, airflow sensor should be hot film type (JECS). For turbo, airflow sensor should be hot wire type (HITACHI).