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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE> 13B-589 STEP 3. Check harness connector B-119 at the crankshaft Q: Is the harness connector in good condition? YES : Go to Step 4. Connector Inspection . Then go to Step 20. STEP 4. Using scan tool MB991958, check data list item 22: CAUTION To prevent damage to scan tool MB991958, always turn the (3) Set scan tool MB991958 to the data reading mode for item 22, Crankshaft Position Sensor. • The tachometer and engine speed indicated on the scan tool should match. (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 20. AK303123 1 2 3 CRANKSHAFT AB CRANKSHAFT CONNECTOR: B-119 B-119 (B) HARNESS AC305412 AB MB991910 DATA LINK CONNECTOR MB991824 MB991827 |