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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-282 DTC SET CONDITIONS . Check Conditions • Engine coolant temperature is higher than 76°C (169 °F). • The cylinder 1, 4 heated oxygen sensor (front) is active. • The cumulative mass airflow sensor output is higher than 1,638 g. • Repeat 3 or more times: drive *1 , stop *2 . Drive *1 : • Engine speed is higher than 1,500 r/min. • Volumetric efficiency is higher than 40 per- cent. • Vehicle speed is higher than 30 km/h (19 mph). • A total of more than 10 seconds have elapsed with the above mentioned condi- Stop *2 : • Vehicle speed is lower than 1.5 km/h (1 mph). END YES NO NO NO START MONITORING CONDITION YES MALFUNCTION GOOD OUTPUT VOLTAGE CHANGE < 0.313 V <FEDERAL> OR 0.234 V <CALIFOLNIA> GO/STOP OPERATION FOR SPECIFIED TIMES YES AK304256 |