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indicator comes on, showing no engine oil pressure
;
turn the switch to “START”, the petrol
engine is started at idle speed, at that time, the engine oil pressure indicator automatically goes
off, showing normal engine oil pressure. If the engine oil pressure indicator doesn’t go off,
showing the engine oil pressure in the petrol engine lubrication system is abnormal, first check
engine oil amount of the petrol engine is sufficient.
Turning the switch to “ON”, the engine oil pressure indicator goes off, but the engine oil
pressure switch is connected to the bonding iron of the body at idle, the engine oil pressure
switch cuts off the bonding iron of the body, showing the engine oil pressure switch works
normally. At that time, check the indicator and related circuit have malfunction.
Section 2 Maintenance of the Cooling System
The cooling system is one of essential conditions to guarantee normal work of the petrol
engine, therefore, it’ s necessary to guarantee sufficient coolant inside the petrol engine, perform
inspection before running the vehicle every time, replenish in time if insufficient.