Kia Carnival (2009+). Instruction — part 49
• High pressure leakage
• Fuse faulty
• Fuel quality / presence of water
• Low pressure fuel circuit sealed
• Sealed fuel filter
• Cam and Crank signals missing simultaneously
• EGR valve blocked open
• Bug software or hardware fault not detected
• Intermittent fault connection
• Catalytic converter sealed or damaged
• Oil suction (engine racing)
• Low pressure fuel pump faulty
• High pressure pump faulty
• Faulty ignition key
• Gasoline in fuel
(SYMPTOM 12) ENGINE JUDDER
Possible Cause
• Run out of fuel
• Fuel return hose of injector cut
• Incorrect state of the electrical pack devices
• The compensation of individual injector not adapted
• EGR valve blocked open
• Fuel filter not adapted
• Air ingress in the low pressure fuel circuit
• Fuel quality / presence of water
• Sealed fuel filter
• Intermittent fault connection
• Harness resistance increased
• Glow system faulty
• Engine compression too low
• Fuel return hose of injector sealed
• Valve clearance
• Low pressure fuel pump faulty
• Injector washer not adapted, forgotten, doubled
• Carbon deposit on the injector (sealed holes)
• Needle stuck (injection possible over a certain
pressure)
• Injector jammed open
• Gasoline in fuel
• Bug software or hardware fault not detected
(SYMPTOM 13) LACK OF POWER
Possible Cause
• The compensation of individual injector not adapted
• Accelerator position sensor blocked
• Incorrect state of the electrical pack devices
• EGR valve blocked open
• Air inlet circuit open
• Air filter sealed
• Oil level too high/too low
• Catalytic converter sealed or damaged
• Turbo charger damaged
• Sealed fuel filter
• Leakage at the injector
• Fuel return circuit of the pump sealed
• Fuel return hose of injector sealed
• Engine compression too low
• Injector not adapted
• Carbon deposit on the injector (sealed holes)
• Valve clearance
(SYMPTOM 14) TOO MUCH POWER
Possible Cause
• EGR valve blocked closed (noisy engine)
• The compensation of individual injector not adapted
• Oil suction (engine racing)
• Bug software or hardware fault not detected
(SYMPTOM 15) EXCESSIVE FUEL CONSUMPTION
Possible Cause
• Fuel return hose of injector cut
• Leakage at the Inlet metering valve
• Leakage at fuel temperature sensor
• Leakage at the spacers
• High pressure leakage
• Incorrect state of the electrical pack devices
• Oil level too high/too low
• Fuel quality / presence of water
• Catalytic converter sealed or damaged
• Turbo charger damaged
• Air inlet circuit open
• Air filter sealed
• The compensation of individual injector not adapted
• EGR valve blocked open
• Engine compression too low
• Injector not adapted
• Bug software or hardware fault not detected
(SYMPTOM 16) OVER SPEED ENGINE WHEN CHANGING THE GEAR BOX RATIO
Possible Cause
• Accelerator position sensor blocked
• The compensation of individual injector not adapted
• Intermittent fault connection
• Clutch not well set
• Oil suction (engine racing)
• Turbo charger damaged
• Injector not adapted
• Bug software or hardware fault not detected
(SYMPTOM 17) EXHAUST SMELLS
Possible Cause
• EGR valve blocked open
• Oil suction (engine racing)
• Turbo charger damaged
• Oil level too high/too low
• The compensation of individual injector not adapted
• Catalytic converter sealed or damaged
• Bad flanging of the injector
• Injector washer not adapted, forgotten, doubled
• Injector not adapted
• Carbon deposit on the injector (sealed holes)
• Needle stuck (injection possible over a certain
pressure)
• Injector jammed open
• Bug software or hardware fault not detected
(SYMPTOM 18) SMOKES (BLACK, WHITE, BLUE) WHEN ACCELERATING
Possible Cause
• The compensation of individual injector not adapted
• EGR valve blocked open
• Air filter sealed
• Fuel quality / presence of water
• Oil level too high/too low
• Turbo charger damaged
• Catalytic converter sealed or damaged
• Oil suction (engine racing)
• Air heaters out of order
• Engine compression too low
• High pressure leakage
• Intermittent fault connection
• Bad flanging of the injector
• Injector washer not adapted, forgotten, doubled
• Injector not adapted
• Carbon deposit on the injector (sealed holes)
• Needle stuck (injection possible over a certain
pressure)
• Injector jammed open
• Gasoline in fuel
• Bug software or hardware fault not detected
(SYMPTOM 19) FUEL SMELLS
Possible Cause
• Fuel pump hose supply cut
• Fuel return hose of injector cut
• Leakage at the Inlet metering valve
• Leakage at fuel temperature sensor
• Leakage at the spacers
• High pressure leakage
(SYMPTOM 20) THE ENGINE COLLAPSES AT TAKE OFF
Possible Cause
• Accelerator position sensor blocked
• Incorrect state of the electrical pack devices
• Air filter sealed
• Catalytic converter sealed or damaged
• Clutch not well set
• Intermittent fault connection
• Inversion of low pressure fuel connections
• Fuel filter not adapted
• Fuel quality/presence of water
• Air ingress in the low pressure fuel circuit
• Sealed fuel filter
• Drift of the rail pressure sensor not detected
• Inlet metering valve contaminated, stuck, jammed
• Gasoline in fuel
• Bug software or hardware fault not detected
(SYMPTOM 21) THE ENGINE DOES NOT STOP
Possible Cause
• Faulty ignition key
• Oil suction (engine racing)
• Bug software or hardware fault not detected
(SYMPTOM 22) DIFFERENT MECHANICAL NOISES
Possible Cause
• Buzzer noise (discharge by the injectors)
• Clip broken (vibrations, resonance, noises)
• Incorrect state of the electrical pack devices
• Catalytic converter sealed or damaged
• Air inlet circuit open
• Bad flanging of the injector
• Clutch not well set
• Turbo charger damaged
• Valve clearance
Fuel System
Engine Control System
Fuel System
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