Chapter 2 Application of the Petrol Engine
1
．
Multiple-point fuel injection system
This system is multiple-point sequential fuel injection system, four oil injectors of four
cylinders inject oil in the order of 1-3-4-2. Every injector injects oil once for every two
crankshaft revolutions of the petrol engine.
2
．
Idle speed
The petrol engine should run at idle speed for several minutes to warm up after being
started.
★★
The idle discharge index of the engine produced by the plant at ex-factory is strictly
controlled within the requirements of the national standard, idle speed of model
LJ465Q-1ANE1 petrol engine is 900
±
30 r/min. The idle mechanism of the petrol engine
is reset at ex-factory, customers should change it arbitrarily
Keep the engine at hot state while checking discharge, that is above 80
℃
of water
temperature & above 60
℃
of engine oil temperature
（
at 900
±
30 r/min of idle speed
）
.
Idle and discharge index are changed any time, make periodical detection and
adjustment for every test point during the application of the engine.