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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mazda 323 (1985 release)

general info. full specifications. diagnostics. hints. tips. tricks
Mazda 323
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Mazda
323
Introduction
Gasoline engines
Engine oil
Engine cooling system
Ignition system
The power supply system, the carburettor, fuel injection system
Diesel engine
Exhaust
The principle of operation of a catalytic converter (catalyst)
How to use the vehicles with catalyst
Removing and installing exhaust system
Check / removal and installation of the lambda probe
Coupling
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Check / removal and installation of the lambda probe



Lambda probe is used to adjust the composition of the exhaust gases in cars with petrol engines with controlled catalyst. The probe is screwed into the exhaust manifold.

Cables connecting lambda probe must not be repaired or soldered. In the case of cable damage, replace the lambda probe in the kit.

Check

PERFORMANCE ORDER

  1. Warm up the engine, the temperature gauge coolant should be in the middle of the scale.
  2. Leave the engine idling.
  3. Disconnect the electrical connection between the terminal and connect the lambda probe and the mass of the vehicle voltmeter.
  1. At a speed of 3000 rev / min, the voltage should be about 0.55 to give a little bit of gas throttle lever.
  1. A few times quickly to increase the number of turns and to fall. With increasing speed voltmeter should show pressure of from 0.5 to 1.0, with a decrease in rotations from 0 to 0.4 V, otherwise the lambda probe must be replaced. (In the Studio with the diagnostic tool can be tested by sensitivity).

Withdrawal

PERFORMANCE ORDER

  1. Disconnect the plug.
  1. Unscrew lambda probe on the exhaust manifold and remove the gasket. If necessary, unscrew the first heat shield.

Setting

MAZDA 323 4 WD (AWD)

1 - a reception pipe of the muffler
2 - catalyst
3 - Middle Silencer
4 - rear silencer

5 - a lining to (replace)
6 - intermediate pipe
7 - rubber mount

Lubricate (high temperature grease)

When replacing the lambda probe to take only the same performance.


PERFORMANCE ORDER

  1. Clean thread.
  2. Coat with special grease BOSH thread only lambda probe. New probes are already coated with this lubricant. Grease should not get to the slots or openings of the body of the sensor. If possible, do not touch the body of the new lambda probe, do not spoil it.

If the sensor is screwed without special high-temperature paste, over time the thread firmly prikipit and lambda probe can not be unscrewed.

  1. Screw the oxygen sensor with a gasket and tightened to 40 Nm.
  2. Connect the plug to the lambda probe.




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Coupling

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