Monitor Scan Tool Data

Connect scan tool to DLC. (Data Link Connector)
Warm up the engine to normal operating temperature.
Monitor "TPS1 & 2, MAPS, MAFS" parameters on scan tool

Fig 1: Scan Tool Display Screen - Mass Air Flow And Throttle Pos. 1 Duty
Courtesy of KIA MOTORS AMERICA, INC.

YES
- Fault is intermittent caused by poor contact in Sensor's and/or PCM's connector or was repaired and PCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure
NO
- Go to "SYSTEM INSPECTION " procedure.