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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-391 STEP 8. Check the fuel pressure. Q: Is the fuel pressure normal? YES : Check the following items, and repair or replace the defective items. a. Check the ignition coil, spark plugs, spark plug cables. b. Check the EGR system. Then confirm that the malfunction symptom is eliminated. NO : Repair or replace. Then confirm that the malfunction symptom is eliminated. INSPECTION PROCEDURE 20: Knocking COMMENT • Incase such as the above, the cause is probably TROUBLESHOOTING HINTS (The most likely • Defective knock sensor • Incorrect heat value of the spark plug. DIAGNOSIS Required Special Tool: STEP 1. Using the scan tool MB991502, read the CAUTION To prevent damage to scan tool MB991502, always turn the Q: Is the DTC is output? YES : Refer to, Diagnostic Trouble Code Chart ( NO : G to Step 2. AKX01177 16 PIN MB991502 AB |