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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE> 13B-443 STEP 7. Using scan tool MB991502, check data list. Reference Table ( a. Item 13: Intake Air Temperature Sensor. c. Item 21: Engine Coolant Temperature Sensor. d. Item 69: Right Bank Heated Oxygen Sensor (rear) f. Item 59: Left Bank Heated Oxygen Sensor (rear) g. Item 11: Left Bank Heated Oxygen Sensor (front) i. Item 28: A/C Switch (3) Turn the ignition switch to the "LOCK" (OFF) position. Q: Are they operating properly? YES : Go to Step 8. symptom is eliminated. STEP 8. Using scan tool MB991502, check actuator test. Actuator Test Reference Table ( ). a. Item 08: Evaporative Emission Purge Solenoid. (3) Turn the ignition switch to the "LOCK" (OFF) position. Q: Are they operating properly? YES : Go to Step 9. symptom is eliminated. STEP 9. Using scan tool MB991502, check data list. Reference Table ( a. Item 45: Idle Air Control Motor Position. (3) Turn the ignition switch to the "LOCK" (OFF) position. Q: Is the actuator operating properly? YES : Go to Step 10. Speed Adjustment ( ). After adjusting, confirm. AKX01177 16 PIN MB991502 AB AKX01177 16 PIN MB991502 AB AKX01177 16 PIN MB991502 AB |