REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Kia Rio (2000 release)

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Kia
	Rio
		Instructions
		Engines A3E, A5D
		Greasing system
		Cooling
		Fuel system
			Technical data
			Fuel system
			Ignition timing
			The idle speed
			Air flow meter sensor
			Knock sensor
			Throttle Position Sensor
			Check the main relay
			Checking the fuel pump relay
			Check the voltage of the front and rear heated oxygen sensors
			Checking the front and rear heated oxygen sensors
			Removing the pressure in the fuel system
			Fuel lines
			Activation of the fuel system
			Check of residual pressure in the fuel system
			Check fuel lines
			Checking the fuel injector
			Quick connections
			Fuel pump
			:20. Fuel tank
			Check crankcase ventilation (PCV)
			Checking system EVAP
			Check valve system EVAP
			Check of the valve closing of the canister
		Ignition system
		Coupling
		Transmission
		Axes and power shafts
		Suspension
		Wheels and tires
		Steering
		Brakes
		Body
		The air conditioning system
		Electrical equipment

Check the voltage of the front and rear heated oxygen sensors

PERFORMANCE ORDER

1. Start the engine and warm it up to normal operating temperature.
2. Leave the engine running at idle speed.
3. Connect a voltmeter between terminals 1 (wire LG / R) and ground.
4. Several times increase and decrease the speed of the engine.
	5. Verify that the voltage varies 0-1,0V.
A warning The voltage at the rear oxygen sensor does not change as quickly as the front sensor.
6. Otherwise, check: - On-board diagnostics system; - System; - The vacuum in the intake manifold; - The pressure of the fuel.
7. If all systems are normal, replace the oxygen sensor.