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EC-286 [QG (WITH EURO-OBD)] DTC P0171 FUEL INJECTION SYSTEM FUNCTION (M/T MODELS) 6. CHECK FUNCTION OF INJECTORS With CONSULT-II 1. Start engine. 2. Perform “POWER BALANCE” in “ACTIVE TEST” mode with 3. Make sure that each circuit produces a momentary engine Without CONSULT-II 1. Start engine. 2. Listen to each injector operating sound. OK or NG OK >> GO TO 7. NG >> Perform trouble diagnosis for . 7. CHECK INJECTOR 1. Confirm that the engine is cooled down and there are no fire hazards near the vehicle. 2. Turn ignition switch “OFF”. 3. Remove injector gallery assembly. Refer to EM-29, "FUEL INJECTOR AND FUEL TUBE" . Keep fuel hose and all injectors connected to injector gallery. 4. Disconnect all ignition coil harness connectors. 5. Prepare pans or saucers under each injector. 6. Crank engine for about 3 seconds. Make sure that fuel sprays OK or NG OK >> GO TO 8. NG >> Replace injectors from which fuel does not spray out. Always replace O-ring with new ones. PBIB0133E Clicking noise should be heard. MEC703B Fuel should be sprayed evenly for each injector. SEF595Q |