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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mercedes-Benz C-Class (from 1993 to 2000, the year of issue)

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Mercedes-Benz C-class
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Mercedes-Benz
C-class
Introduction
Maintenance
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Lubrication system
Cooling
Heating and ventilation
Ignition system
Fuel system
Fuel System Description
PETROL INJECTION
The engine management system PMS and HFM
Self-diagnosis of the state of the system ignition and fuel injection
Air Mass Sensor
Coolant temperature sensor
The sensor of the intake air
The system vacuum line
Fuel distributor with valve injectors
Injection valve
Oxygen sensor (oxygen sensor)
Fault diagnosis system of petrol injection
What you should know the owner of the car with a fuel-injected engine
Turbo Doctor
The injection system of diesel engines and power
EXHAUST
Transmission
Manual and automatic gearbox
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The sensor of the intake air



The temperature sensor measures the temperature of the intake air. This value, together with the signal of the pressure sensor intake manifold (PMS-management system) is the criterion for assessing the amount of intake air. Tremodatchikom intake air is NTC-resistor (NTC - NTC) whose resistance decreases with increasing temperature.

The temperature sensor is located on the left side of the transverse pipe of the air filter.

Withdrawal

PERFORMANCE ORDER
Remove the sensor together with shtekkernym connector, this squeeze the two clips (arrows).

Check

PERFORMANCE ORDER
1. Remove the mains plug.
2. Hang the sensor in a water bath and slowly heat it.
3. Check the resistance temperature sensor with an ohmmeter. The measured value is considered normal if it is within the tolerance of 5% (see. Table Resistance temperature sensor).
4. If the measurement sensor reaches a predetermined value, it should be replaced.

Setting

PERFORMANCE ORDER
1. Push the mains plug wires.
2. Check for damage and porosity of the O-ring.
3. Insert the sensor with the sealing ring. Squeeze out the bracket until until they lock into place.

Resistance temperature sensor

TEMPERATURE
RESISTANCE
10 ?� C
OK. 9670 Ohm
20 ?� C
OK. 6060 Ohm
30 ?� C
OK. 3900 Ohm
40 ?� C
OK. 2600 Ohm
50 ?� C
OK. 1760 Ohm
+ 60 ?� C
OK. 1220 Ohm
+70 ?� C
OK. 860 ohms
80 ?� C
OK. 620 ohms




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Coolant temperature sensor
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The system vacuum line

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