DTC Confirmation Test

NOTE: Do not preform this procedure under high-load, high engine speed, rapid acceleration or rapid deceleration.

Perform engine system check. Go to, A4: ENGINE SYSTEM CHECK under SYSTEM TESTS. Ensure fuel tank is 1/4 to 3/4 full, vehicle is at an altitude of 8000 feet or below, barometric pressure is 75 kPa or more, ambient temperature is 14°F (-10°C) or more, and intake air temperature is 158°F (70°C) or less. Drive vehicle at speeds of about 40 MPH. Reduce vehicle speed to about 30 MPH and increase to about 40 MPH within about one minute. Repeat accelerating and decelerating procedure for 29 minutes. Vehicle should not be stopped for longer then one minute during the procedure. Stop vehicle, leave ignition on. Using scan tool, check for current or pending DTC P0116. See RETRIEVING DIAGNOSTIC TROUBLE CODES under SELF-DIAGNOSTIC SYSTEM. If DTC resets, go to DIAGNOSIS & REPAIR PROCEDURE .