FORD SCORPIO

1985-1994 of release

Repair and car operation

3.5.11. Typical malfunctions of the engine

THE GENERAL DATA

MALFUNCTION	THE REASON
The engine is not started:
– The starter rotates slowly	The accumulator is not completely charged. Oxidation of plugs of the accumulator. Bad contact between a body, the engine and the negative plug of the accumulator.
– The starter rotates normally, but the engine is not started	It is faulty обгонная муфта a starter. Teeths of a gear wreath of a flywheel are worn out.
The complicated start of the engine	Insufficient giving of fuel. Low compression in engine cylinders. The fuel pump of a high pressure is faulty.
Separate flashes in cylinders are observed, but the engine is not started	Insufficient giving of fuel. Подсос additional air in the power supply system.
The engine has stopped and is not started	Fuel is completely developed. The fuel filter is polluted. The engine перегрет.
The engine constantly overheats	Lack of a cooling liquid. The thermostat is faulty. The quantity of oil does not suffice. Jamming of brakes. Passableness of a radiator is reduced. Passableness of branch pipes of system of cooling is reduced. It is forbidden to cool перегретый the engine cold water as it can lead to formation of cracks and cause deformation of separate units of the engine.
Presence of extraneous noise in the engine:
– Whistle or air hissing	Tightness of a vacuum hose of the amplifier of brakes is broken. Burn-out of a lining of a collector. Burn-out of a lining of a head of the block of cylinders. Проскальзывание приводных клиновых belts on pulleys. Deterioration of the bearing of the generator or the water pump.
– Sonorous knock	Backlashes of valves are not adjusted. Early injection of fuel in cylinders. Defect on piston rings or fingers.
– Deaf knock	Are worn out radical or шатунные necks of a cranked shaft.
Raised дымность the engine	The black smoke appears at a contamination of the air filter or incomplete closing of a needle of an atomizer. The white smoke appears at incomplete combustion of fuel, delay of injection of fuel or a faulty atomizer. The grey smoke appears at deterioration of tsilindro-piston group of the engine or malfunctions of fuel system.