The device, service, repair of Mitsubishi Galant (1990 — 2001) - Check of serviceability of functioning of injectors//Mitsubisi Galant /

Mitsubishi Galant

1990 — 2001 of release

Repair and car operation



Mitsubishi Galant
+ Identification numbers of the car
+ Governing bodies
+ Settings and routine maintenance
+ Engine
+ cooling and heating Systems
- Power supply system and release
   Specifications
   Sbrasyvaniye of pressure in a power supply system
   Removal and installation of the case of a throttle
   Removal and installation of the fuel highway and injection injectors
   Check of a condition and replacement of fuel lines and their shtutserny connections
   Check of serviceability of functioning of injectors
   Removal and installation of a regulator of pressure of fuel
   Removal and installation of a safety valve of a fuel tank
   Removal and installation of a fuel tank
   Cleaning and repair of a fuel tank - general information
   Check of serviceability of functioning of the fuel pump, measurement of pressure of fuel
   Removal and installation of the fuel pump/sensor of fuel consumption
   Removal and installation of assembly of an air purifier
   Release system
+ engine Electric equipment
+ Control systems of the engine
+ Manual transmission
+ Coupling and transmission line
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment





Check of serviceability of functioning of injectors

The simplest way of check of serviceability of functioning of injectors of injection of fuel is their listening, - at the working engine injectors should publish a rhythmical poshchelkivaniye. Check can be made by means of a mechanical stethoscope, or contact way, by means of a screw-driver. The clicking published by the electromagnetic valve confirms serviceability of functioning of a working contour of an injector and the processor of management of a power supply system. Serially check each of injectors.

At performance of procedures of service in a motor compartment at the working engine observe extreme care, - try not to touch moving components (driving belts, a krylchatka of the fan, etc.) and not to allow hit in them of hair and clothes elements.


Analysis of results of check

All injectors regularly click

 PERFORMANCE ORDER

1. If all injectors regularly click and, nevertheless, there are suspicions on existence of violations of functioning of a power supply system, continue diagnostics.
2. Check the pressure head characteristic of the fuel pump (see below).
3. Check ignition system. Serially disconnecting (and connecting back) wire VV from each of spark plugs at the idling engine, try to localize on absence of violation of stability of turns the faulty cylinder.
4. Remove an injector of injection of fuel in the suspected cylinder and transfer it on a workbench (it is possible to remove the fuel highway assembled). For check эпюры injection connect to an injector the line of supply of fuel and for short time submit on its plugs tension 12 In a direct current (grounding is carried out via the injector case): there should be an emission of a cone-shaped stream of fuel through a valve nozzle. The faulty injector is subject to replacement.


One or several injectors do not publish clicks

 PERFORMANCE ORDER

1. Prepare a special lamp sampler. Switch off ignition and disconnect electroconducting from an injector subject to check. Connect a lamp sampler to the contact socket of a plait of electroconducting of an injector and start the engine: the blinking of a lamp confirms serviceability of giving on an injector of operating tension.

2. If violations in giving of power supply it is not revealed, measure resistive resistance of an injector. Compare result of measurement to requirements of Specifications (for engines with normal absorption the nominal rate lies within a range of 13 ÷ 16 Ohm, at 20 ° With, for engines with a turbo-supercharging the demanded range makes 2 ÷ 3 Ohm [at the same temperature]).

3. If during testing by a lamp sampler signs of failures in giving of operating tension are revealed, it is necessary to check a condition of the corresponding electric contour. Disconnect a negative wire from the battery.

If the stereosystem established on the car is equipped with a security code before disconnecting the battery make sure that have the correct combination for audiosystem input in action! Disconnect from an injector a lamp sampler. Also disconnect electroconducting from PCM. Check an electroconducting condition on a chain site between PCM and an injector: resistive resistance between the corresponding contacts of sockets should make about 5 Ohm. At negative results of check make necessary regenerative repair of electroconducting.

4. If the chain as it should be, therefore, takes place internal refusal of PCM and the module of management it is necessary to replace.