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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-749 DIAGNOSIS Required Special Tools • MB991958: Scan tool (MUT-III Sub Assembly) • MB991824: V.C.I. • MB991827: USB Cable • MB991910: Main Harness A STEP 1. Using scan tool MB991958, read the diagnostic CAUTION To prevent damage to scan tool MB991958, always turn the (3) Set scan tool MB991958, read the DTC. YES : Refer to Diagnostic Trouble Code Chart NO : Go to Step 2. STEP 2. Check the throttle body. (throttle valve area) YES : Perform cleaning. Refer to Throttle body (throttle valve area) cleaning . Then go to Step 4. NO : Go to Step 3. STEP 3. Replace the throttle body assembly. YES : Replace the PCM. Then go to Step 4. AK303804AB MB991910 DATA LINK MB991824 MB991827 |