Mazda 323
+ Introduction
+ Petrol engines
+ Engine lubrication system
+ Engine cooling system
+ System of ignition
- Power supply system, carburetor, system of injection of fuel
Rules of purity during the work with a power supply system
Removal and installation/check of the sensor in the fuel tank
Removal and installation of the fuel tank
Removal and installation of the fuel pump
Removal and installation/check of the fuel pump
Removal and installation of the air filter
+ Carburetor
- System of injection of fuel
System of injection of fuel
Memory of malfunctions
Security measures during the work with system of injection
Idling check
Verification of the contents WITH
Check/adjustment of the sensor of a butterfly valve
Removal and installation/check of the sensor of temperature of cooling liquid
Check of gates of injection (injectors)
Removal and installation of gates of injection
Check of the fuel pump
+ Diesel engine
+ System of production of the fulfilled gases
+ Coupling
+ Manual transmission
+ Automatic transmission
+ Suspension bracket and system of steering
+ Brake system
+ Wheels and tires, body, coloring of the car, care of the car
+ System of electric equipment
+ Heater, system of lighting, devices
+ Governing bodies and methods of operation
+ Electric circuits
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Check of the fuel pump If the engine is started badly or not started in general, and also becomes deaf during the movement, it is necessary to check operation of the fuel pump. The fuel pump is in the fuel tank. For working capacity check the pump is not required to be removed.
Working capacity check
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- To check safety locks of system of injection (FUEL INJ). To replace faulty safety locks.
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Models to 9/89 g of the issue.
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- To connect plugs of the test socket of the fuel pump by means of a cable. The cable remains is connected during check.
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Models from 10/89 g of the issue.
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- To connect to the help of a cable of the F/P and GND plug. The cable remains is connected during check.
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- To include ignition, not to start the engine.
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- To uncover a gasoline tank and to check whether noise from operation of the fuel pump is heard. If noise from work is not heard, it is necessary to check wires according to the scheme for break existence. If wires are serviceable, and noise from work is all the same not heard, so it is necessary to check the relay of the fuel pump.
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Check of the relay of the fuel pump
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- To remove a back seat, see the Head Kolesa and tires, a body, coloring of the car, care of the car.
- To include ignition.
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- To measure by means of the voltmeter tension between the В/Р plug (to 9/89 g of the issue the GR plug) and weight. It has to make 12 Century.
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- To switch off ignition.
- If tension does not correspond demanded, to unscrew a side upholstery of the average console in a compartment for the passenger's legs. The relay of the fuel pump is near the monitor.
- To include ignition.
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- To check that the relay switched it is distinguishable aurally. If the relay does not switch, it is necessary to check relay resistance.
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- To disconnect the plug on the relay.
- To measure resistance between plugs by means of an ohmmeter.
| Plugs |
Resistance in Ohm |
| to 9/89 g of the issue. |
from 10/89 g of the issue. |
| STA — E1 |
15 — 30 |
21 — 43 |
| In — Fc |
80 — 150 |
109 — 206 |
| In — Fp |
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- If one or several values do not conform to requirements, it is necessary to replace the relay. If the relay is serviceable, it is necessary to check fuel pressure.
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Check of pressure of fuel
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Check conditions: The battery is completely charged (12 Volts), the fuel filter in a faultless state.
- To level fuel pressure.
- To disconnect a fuel-supply line between the fuel filter and the distributive highway on the filter, previously having weakened a collar.
| To put a rag as fuel can act around a fuel-supply line. |
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- To connect the manometer about a top a livostoyky auxiliary hose to the fuel filter.
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- To include ignition, not to start the engine.
- To measure fuel pressure. The required value: 4,4 - 5,8 Bars.
- If value does not conform to requirements, fuel hoses and connections should be checked for damages, tightness and a contamination. If hoses are serviceable, it is necessary to replace the fuel pump.
- To switch off ignition.
- To disconnect a cable from the diagnostic socket.
- To remove an auxiliary hose and the manometer and to connect a fuel hose, having fixed it by a collar.
- To start the engine and to check tightness of fuel system.
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