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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE> 13B-267 STEP 2. Using scan tool MB991502, check data list item 95: CAUTION To prevent damage to scan tool MB991502, always turn the 95, Manifold Differential Pressure Sensor. (4) Warm up the engine to normal operating temperature: 80 °
C to 96 ° C(176 ° F to 205 ° F). • Should be between 62 − 76 kPa at engine idling. (5) Turn the ignition switch to the "LOCK" (OFF) position. Q: Is the sensor operating properly? YES : Clean the EGR valve and EGR passage. Then go to Step 3. NO : Refer to, DTC P1400 − Manifold Differential Pressure Sensor Circuit Malfunction ( STEP 3. Test the OBD-II drive cycle. Procedure 5 − Exhaust Gas Recirculation (EGR) System Monitor ( ). (2) Check the diagnostic trouble code (DTC). Q: Is the DTC P0401 is output? YES : Retry the troubleshooting. AKX01177 16 PIN MB991502 AB |