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MULTIPORT FUEL INJECTION(MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L> 13B-177 STEP 4. Check connector B-29 at left bank heated oxygen YES : Go to Step 5. Connector Inspection( ). Then go to Step 15. STEP 5. Using scan tool MB991502, check data list item 59: CAUTION To prevent damage to scan tool MB991502, always turn the 59, Heated Oxygen Sensor Bank 2, Sensor 2 (left rear). • Warming up the engine. When the engine is revved, the (4) Turn the ignition switch to the "LOCK"(OFF) position. Q: Is the sensor operating properly? YES : It can be assumed that this malfunction is intermittent. Refer to GROUP 00, How to Use Troubleshooting/ ). NO : Replace the PCM. Then go to Step 15. AK000619 AC CONNECTOR:B-29 AK000280 CONNECTOR : C-41 PCM AY AC003081 AB 16 PIN MB991502 |