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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE> 13B-676 LOGIC FLOW CHARTS (Monitor Sequence) . DTC SET CONDITIONS Remaining fuel amount is 15 − 40 percent of capacity (fuel level sensor output signal voltage is 1.4 − 2.4 volts). Check Conditions A: At Start up • Intake air temperature is 36°C (97°F) or less when the engine is started. • The engine coolant temperature is 36 °C (97 °F) or less when the engine is started. AC306649 0.04in, 0.02in GROSS LEAK MONITOR START YES YES YES YES YES NO NO NO NO NO MONITORING DEPRESSURIZE FUEL TANK PRESSURE GROSS LEAK MONITORING CONDITIONS SHUT PURGE LINE MEASURE REVERTING PFT > PT SPECIFIED TIMES MONITORED MALFUNCTION END SPECIFIED TIMES HAVE PASSED MALFUNCTION (GROSS LEAK) GOOD |