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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) 13A-175 STEP 5. Using scan tool MB991958, check data list item 39: CAUTION To prevent damage to scan tool MB991958, always turn the 39, Heated Oxygen Sensor Bank 1, Sensor 1 (right front). • Warming up the engine. When the engine is revved, the output voltage should be 0.6 to 1.0 volt. • Warming up the engine. When the engine is idling, the output voltage should repeat 0.4 volt and 0.6 to 1.0 volt (4) Turn the ignition switch to the "LOCK" (OFF) position. YES : It can be assumed that this malfunction is intermittent. Refer to GROUP 00, How to Use NO : Replace the PCM. Then go to Step 15. AK302970 AB MB991911 MB991824 MB991827 |