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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-326 DTC SET CONDITIONS . Check Conditions • 2 seconds or more have passed since the engine starting sequence was completed. Judgment Criteria • Cylinder 2, 3 heated oxygen sensor (front) output voltage has continued to be 1.2 volts or higher for . OBD-II DRIVE CYCLE PATTERN Refer to Diagnostic Function − OBD-II Drive Cycle − Procedure 6 . . TROUBLESHOOTING HINTS (The most • Short circuit in cylinder 2, 3 heated oxygen sen- sor (front) output line. • Connector damage. • PCM failed. START END NO NO YES YES MALFUNCTION GOOD 2secs HAVE PASSED? OUTPUT VOLTAGE > 1.2V NO YES MONITORING CONDITIONS AK302020 |