DTC P0101 - Mass Airflow (MAF) Circuit Performance Problem
WARNING: This page is about a different car, the 1996 Suzuki X-90. However, it is still accessible from the selected car via links, so may be relevant.
Connect scan tool to Data Link Connector (DLC). Start engine and allow to reach normal operating temperature. Select MAF SENSOR FLOW RATE parameter on scan tool. Raise engine speed to 2500 RPM. Display on scan tool should read .82-1.08 lb/min. Return engine to idle. Display on scan tool should read .22-.44 lb/min. If reading is not as specified, replace MAF sensor. Retest system. If reading is as specified, check for an intermittent problem or faulty PCM. See appropriate TESTS W/O CODES article.