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5. Air measuring instrument
This supplies information to electronic
control unit of quantity of air drawn
and activates fuel supply pump,
6. Supplementary air valve
Supplies extra air during engine heat-
ing stage, depending on temperature
level.
7. Throttle switch
Signals idle and full load to electronic
control unit.
8. Temperature sensor
Signals coolant temperature at the cy-
linder head outlet
9. Cold starting solenoid injector
During starting in low temperatures,
injects extra fuel into intake line.
10. Solenoid injectors
Inject fuel in intake port of cylinders.
11. Delay thermal switch
This automatically controls injection
of cold starting solenoid injector.
12. Fuel pressure regulator
Keeps fuel pressure constant in fuel
lines.
13. Fuel delivery line
14. Excess fuel exhaust line
15. Ignition switch
16. Fuel filter
Is fitted on fuel supply line for fuel
filtering.
17. Motor driven fuel supply
pump
Delivers a constant supply of fuel to
solenoid injector.
18. Fuel tank
19. Oxygen sensor {Lambda probe).
Measures the oxygen content of ex-
haust gases and transmits any adjust-
ment of air-fuel mixture to control unit.
20. Catalytic converter
Reduces harmful residues contained
in exhaust gases to a minimum.
Note: You are advised to take the
following precautions:
— Never start the engine if the battery
is not properly connected.
— Do not use charger with battery
leads disconnected.
— Never disconnect battery leads with
the engine running.
— When charging battery, disconnect
clamps.
— If temperature is above 80° C
(special body work) disconnect
electronic control unit from vehicle.
— Never remove or insert control unit
harness connector with ignition
switched on.
— Jf car is to remain out of service for
some time, add 10% of engine oil to
the fuel tank.