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MULTIPORT FUEL INJECTION (MPI) DIAGNOSIS MULTIPORT FUEL INJECTION (MPI) 13A-180 STEP 1. Using diagnostic tool, check data list item AC: CAUTION To prevent damage to diagnostic tool, always turn the igni- ° C or higher). (4) Set diagnostic tool to the data reading mode for item AC, Heated Oxygen Sensor Bank 1, Sensor 1 (right front). • Warming up the engine. When the engine is revved, the output voltage should alternate between 0 and 0.6 to 1.0 (5) 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 − How to Cope with Intermittent Malfunctions . NO : Then go to Step 2. 00DB076A MB991910 DATA LINK CONNECTOR MB991824 MB991827 |