Ignition "OFF"

Connect Scantool and Engine "ON"

Monitor ISC ACTUATOR DUTY parameter on scantool.

Is the ISC ACTUATOR DUTY parameter within specification ?

YES

▶ Fault is intermittent caused by poor contact in Fuel Level 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 "W/Harness Inspection" procedure.