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MULTIPORT FUEL INJECTION (MPI) DIAGNOSIS MULTIPORT FUEL INJECTION (MPI) 13A-228 STEP 4. Using diagnostic tool, check data list item AE: 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 AE, Heated Oxygen Sensor Bank 2, Sensor 1 (left front). • Warm engine. When the engine is revved up and down, the output voltage should cycle between 0.1 to 0.8 volt. • Warm engine. When the engine is idling, the output volt- age should alternate between 0.1 to 0.6 - 1.0 volt. (5) Turn the ignition switch to the "LOCK" (OFF) position. NOTE: If data list readings are low or appear slow to cycle 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 : Replace the sensor. Then go to Step 5. STEP 5. Test the EOBD drive cycle. Diagnostic Function − EOBD Drive Cycle − . (2) Check the diagnostic trouble code (DTC). Q: Is DTC P0152 set? YES : Retry the troubleshooting. 00DB076A MB991910 DATA LINK CONNECTOR MB991824 MB991827 |