Search and elimination of malfunctions of fuel system. KIA Magentis/Optima (since 2000 of release)

Magentis and Optima repair since 2000 of release
	1. Engines
	2. Greasing system
	3. Cooling system
	4. Control and decrease in toxicity
	5. Fuel system
	6. Ignition system
		6.1. Specifications
		6.2. General information
		6.3. Coil of ignition of the engine of 2,5 l of V6
		6.4. Coil of ignition of the engine of 2,0 l
		6.5. Ignition lock
		6.6. Spark plugs
		6.7. High-voltage wires
		6.8. Installation of high-voltage wires (V6 engine)
		6.9. Check of spark plugs
		6.10. Search and elimination of malfunctions of fuel system
	7. Coupling
	8. Transmission
	9. Power shafts, axes
	10. Suspension bracket
	11. Steering
	12. Brake system
	13. Body
	14. Central air
	15. Electric equipment
	16. Electric circuits

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6.10. Search and elimination of malfunctions of fuel system

Probable causes	Elimination method
The engine is not started up or started up hardly
The ignition switch is faulty The ignition coil is faulty The capacity switchboard is faulty Spark plugs are faulty Wires of system of ignition are damaged	Replace the ignition switch Replace the ignition coil Replace the capacity switchboard Replace spark plugs Check and, if necessary, replace wires
Non-uniform idling up to an engine stop
Wires of system of ignition are damaged The ignition coil is faulty High-voltage wires are faulty	Check and, if necessary, replace wires Replace the ignition coil Replace high-voltage wires
Fluctuations of frequency of rotation / weak acceleration
Spark plugs are faulty Wires of system of ignition are damaged	Replace spark plugs Check and, if necessary, replace wires
High fuel consumption
Spark plugs are faulty	Replace spark plugs

on the following page»
7. Coupling