Volvo 1991 740 Model
recommend that the timing gear belt be replaced every 50,000 miles (80,000 km).
pg. 8:10 Servicing (cont.)
1 Battery
2 Injection control unit
3 Ignition control unit
4 Fuel filter
5 Fuel pump
6 Fuel feed pump
7 Air mass meter*
8 Throttle switch
9 Temperature sensor
10 Injector
11 Oxygen sensor
12 Intercooler (Turbo models)
* Pressure meter on certain models
Fuel system
The fuel injection system is all-electronic and microprocessor-controlled. It can continually compensate
for variations in engine load, speed and temperature to give the best economy and power. A mass air
flow sensor or a pressure meter on certain models, measures the inducted air. In this way the system can
make instantaneous adjustments for changes in air temperature or density, thus always assuring the best
economy with the lowest possible exhaust emissions.
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Содержание 740 1991
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