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DTC P0101: Mass Airflow (MAF) Circuit Performance Problem

NOTE: Ensure that MAF sensor is not blocked, and that there are no vacuum leaks before performing test.

Connect scan tool to Data Link Connector (DLC). Start engine and allow it to reach normal operating temperature. Select MAF SENSOR FLOW RATE parameter on scan tool. See MAF SENSOR STANDARD VALUES  table for specified values. If scan tool display is not as specified, replace MAF sensor and retest system. If scan tool display is as specified, check for an intermittent problem or faulty PCM. See INTERMITTENTS in TROUBLE SHOOTING - NO CODES article.

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