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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS MULTIPORT FUEL INJECTION (MFI) 13A-356 DIAGNOSIS Required Special Tools: • Diagnostic Tool (MUT-III Sub Assembly) • MB991824: V.C.I. • MB991827: USB Cable • MB991910: Main Harness A • MD998478: Test Harness (3pin, triangle) STEP 1. Using diagnostic tool , check data list item 02: CAUTION To prevent damage to diagnostic tool , always turn the Crankshaft Position Sensor. • The tachometer and engine speed indicated on the diagnostic tool should match. (4) 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 : Go to Step 2. 00DB076A MB991910 DATA LINK CONNECTOR MB991824 MB991827 |