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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE> 13B-568 DTC SET CONDITIONS Logic Flow Chart . START MONITORING CONDITIONS CALCULATE CRANKSHAFT ANGULAR ACCELERATION (An) An < TH MF (Ne, v) MISFIRE CALCULATE PERCENT MISFIRE (R MF ) END NO NO NO NO NO NO YES YES YES YES YES YES GOOD WITHIN 1000rev R MF > SPECIFIED VALUE MALFUNCTION (EXCEED STD ×1.5) GOOD MALFUNCTION (CATALYTIC CONVERTER IS DAMAGED.) GOOD R MF > TH CD (Ne, v) CALCULATE PERCENT MISFIRE (R MF ) WITHIN 200rev Ne: ENGINE SPEED AK204053 |