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ON-VEHICLE SERVICE TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE> 13B-893 NOTE: For removal and installation of the heated oxygen − Removal and Installation . Left bank heated oxygen sensor (rear) 1. Disconnect the heated oxygen sensor connector and connect special tool MB991316 to the connector on the 2. Measure the resistance between terminal No. 1 (red clip) and terminal No. 3 (blue clip) on the heated oxygen sensor Standard value: 11 − 18 Ω [at 20 °C (68 °F)] 3. If the resistance deviates from standard value, replace the heated oxygen sensor. 4. Warm up the engine until engine coolant is 80 °C (176°F) or higher. 5. Drive at 50 km/h (31 mph) or more for 10 minutes. (black clip) and terminal No. 4 (white clip). 7. Measure the output voltage of the heated oxygen sensor under the following driving. • Transaxle: 2 nd • Drive with wide open throttle • Engine: 3,500 r/min or more Standard value: NOTE: If the temperature of sensing area does not reach ° C (752 ° F) or more] even though the oxygen sensor is normal, the output 8. If the output voltage is not within the standard value, replace the heated oxygen sensor. − Removal and Installation HEATED OXYGEN REMARKS 0.6 − 1.0 V High load operation makes − 1.0 V. AK7000101AB MB991316 Blue Red Heated oxygen AK700102 MB991316 White Black AB Heated oxygen |