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8 CHECK INJECTOR 1. Confirm that the engine is cooled down and there are no fire hazards near the vehicle. Keep fuel hose and all injectors connected to injector gallery. 5. Disconnect all ignition coil harness connectors. SEF595Q Fuel should be sprayed evenly for each injector. OK or NG OK © GO TO 9. NG © Replace injectors from which fuel does not spray out. Always replace O-ring with new 9 CHECK INTERMITTENT INCIDENT Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-144. © INSPECTION END GI MA EM LC FE AT AX SU BR ST RS BT HA SC EL IDX DTC P0171 (BANK 1), P0174 (BANK 2) FUEL INJECTION SYSTEM FUNCTION (LEAN) Diagnostic Procedure (Cont’d) EC-299 |