DTC P0101, DTC P0102, DTC P0103 & P1102: Notes

Code Definition

DTC P0101: Mass Airflow Sensor Circuit Range/Performance Problem
DTC P0102: Mass Airflow Sensor Circuit Low Input
DTC P0103: Mass Airflow Sensor Circuit High Input
DTC P1102: Mass Airflow Sensor Circuit Range/Performance Problem

NOTE: Before performing diagnostic procedure, follow testing procedure. See TESTING PROCEDURE under SELF-DIAGNOSTIC SYSTEM.

NOTE: Perform the following DTC confirmation tests in order. Check for first trip DTC after each DTC confirmation test is performed. If first trip DTC is set, go to DIAGNOSTIC PROCEDURE . If first trip DTC is not set, turn ignition off and wait at least 10 seconds before performing next DTC confirmation test.