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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Volkswagen Sharan (from 1995 to 2000, the year of issue)

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Volkswagen Sharan
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Volkswagen
Sharan
Introduction
VR6 engine
The two-liter engine (ADY)
Engine oil
Cooling
A fuel injection system VR6 engine
Precautions during repair work on the injection system
The principle of ECM under different conditions
Injection system
The electronic control unit
Throttle Body
Fuel Pressure Regulator
Fuel injectors
Coolant temperature sensor zhidkostsi
Mass Air Flow Sensor
Fault injection system
Carrying out repairs and maintenance of injection
The accelerator cable
The electric fuel pump
Fuel filter
The fuel level sensor in the tank
Air filter
The system Simos injection 2.0-liter engine
The ignition system
Coupling
Manual 5-speed gearbox
The drive shafts
Power steering
Front suspension
Rear suspension
Brakes
Electrical
Diesel engine
The lubrication system of the diesel engine
The cooling system of the diesel engine
The power supply system of the diesel engine and turbocharger
Map service.
Applications
Wiring
 


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Mass Air Flow Sensor



The air filter and located near the details
Fig. 202 Air Filter and located near the parts: 1 - the upper part of the air filter; 2 - a vacuum hose; 3 - O-shaped sealing ring; 4 - air flow sensor; 5 - Plug-in connector for the air flow sensor, black; 6 - a hose of the intake air; 7 - plug connector, black color; 8 - heating element crankcase ventilation system; 9 - connecting hose; 10 - valve crankcase ventilation system; 11 - a ventilation hose; 12 - clamp (13); 13 - solenoid valve cleaning system by means of activated carbon; 14 - a ventilation hose; 15 - plug connector, green for (13); 16 - Rubber coupling; 17 - the filter element; 18 - the lower part of the air filter; 19 - air intake hose





The sensor 4 (Fig. 202) hot-wire air mass flow type, is located between the air filter 1 and a hose inlet pipe 6.
The sensitive element of the air flow sensor is a small metal plate which is heated electrically. Passing by the sensor in the intake stream of the engine air cools the metal plate, thereby decreasing its electrical resistance, which measures the sensor. The greater the amount of intake air is cooled by the correspondingly stronger this disc. ECU converts the values obtained in the signals for the mixing system.




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