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Volvo 1990 780 Model
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
LH Jetronic fuel system
The LH-Jetronic 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.
The most unique feature of the system is an air mass meter that measures the mass of the inducted air
instead of the volume. 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.
file:///K|/ownersdocs/1990/1990_780/90780_21.htm (3 of 7)12/30/2006 8:28:05 AM
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