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6 CHECK IGNITION SPARK 1. Turn ignition switch “OFF”. SEF575Q OK or NG OK © GO TO 7. NG © Check ignition coil with power transistor and their circuit. Refer to EC-499. 7 CHECK INJECTOR 1. Turn ignition switch “OFF”. Refer to EC-41. 3. Disconnect all ignition coil harness connectors. Make sure fuel does not drip from injector. OK or NG OK (Does not drip.) © GO TO 8. NG (Drips.) © Replace the injector(s) from which fuel is dripping. 8 CHECK INTERMITTENT INCIDENT Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-140. Trouble is fixed. © INSPECTION END Trouble is not fixed. © Replace warm-up three way catalyst. GI MA EM LC FE AT TF PD AX SU BR ST RS BT HA SC EL IDX DTC P0420 (RIGHT BANK, -B1), P0430 (LEFT BANK, -B2) THREE WAY CATALYST FUNCTION Diagnostic Procedure (Cont’d) EC-351 |