DTC P0101: Mass Airflow (MAF) Circuit Performance Problem
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. Increase engine speed to 2500 RPM. Scan tool should display .82-1.08 lb/min. Return engine to idle. Scan tool should display .22-.44 lb/min. 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 TESTS W/O CODES article.