DTC Confirmation Test

Ensure intake air temperature is 18°F (-8°C) or more, engine coolant temperature is 18-230°F (-8-110°C) and vehicle is at an altitude of 8000 feet or below, and barometric pressure is 75 kPa or more. Turn ignition off, connect scan tool and turn ignition on. Using scan tool, clear DTCs. See CLEARING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM. Start engine and run at idle speed for 5 minutes. Using scan tool, check for current or pending DTC P0031 and P0032. See RETRIEVING DIAGNOSTIC TROUBLE CODES  under SELF-DIAGNOSTIC SYSTEM. If DTC resets, go to DIAGNOSIS & REPAIR PROCEDURE .