Peugeot 406

Since 1996 of release

Repair and car operation

14.1. The engine

THE GENERAL DATA

At engine start коленвал does not rotate:

 – Accumulator plugs are unreliably connected or oxidised;
 – The accumulator is discharged or faulty;
 – Infringement of integrity of electroconducting in a starter chain;
 – The traction relay of a starter is faulty;
 – The starter is faulty;
 – Teeths of a gear wheel of a drive of a starter or teeths of a gear wreath of a flywheel are worn out;
 – The tyre of grounding of the engine on the car case is disconnected.

Коленвал rotates, but the engine is not started:

 – There is no fuel in a tank;
 – The accumulator (коленвал rotates very slowly) is discharged;
 – Are unreliably fixed or oxidised the accumulator plug;
 – Elements of system of ignition (petrol engines) are damaged;
 – A wrong backlash in spark plugs (petrol engines);
 – The system of prestarting heating (diesel engines) is faulty;
 – Damage of system of injection of fuel (petrol engines);
 – The electromagnetic valve blocking giving of fuel (diesel engines) is faulty;
 – Air in fuel system (diesel engines);
 – Mechanical malfunction of system timing.

Unstable start of the cold engine:

 – The accumulator is discharged;
 – Accumulator plugs are unreliably connected or oxidised;
 – Failure or interelectrode backlashes in candles (petrol engines) are incorrectly adjusted;
 – The system of prestarting heating (diesel engines) is faulty;
 – The system of injection of fuel (petrol engines) is damaged;
 – Damage of system of ignition (petrol engines);
 – A low compression in cylinders.

Unstable start of the hot engine:

 – The filtering element of the air filter is polluted;
 – Damage of system of injection of fuel (petrol engines);
 – A low compression in cylinders.

At starter inclusion there are extraneous noise:

 – Teeths on a gear wheel of a starter or a gear wreath of a flywheel are worn out or broken;
 – Bolts of fastening of a starter are absent or are unreliably tightened;
 – Deterioration or damage of details of a starter.

Stop of the engine after start:

 – Unreliable connection of elements of system of ignition (petrol engines);
 – подсос air in system of injection or an inlet collector (petrol engines);
 – Damage of system of injection of fuel (petrol engines).

Unstable power setting idling:

 – The filtering element of the air filter is polluted;
 – подсос air in injection system, an inlet collector or hoses (petrol engines);
 – The interelectrode backlash is incorrectly adjusted or spark plugs (petrol engines) are worn out;
 – A non-uniform or low compression in cylinders;
 – Cam-shaft cams are worn out;
 – The gear belt of a drive of the mechanism timing is incorrectly established;
 – Damage of system of injection of fuel (petrol engines);
 – Atomizers (diesel engines) are faulty.

Ignition admissions idling:

 – The interelectrode backlash is incorrectly adjusted or spark plugs (petrol engines) are worn out;
 – Defective high-voltage wires (petrol engines);
 – подсос air in injection system, an inlet collector or hoses (petrol engines);
 – Damage of system of injection of fuel (petrol engines);
 – Atomizers (diesel engines) are faulty;
 – A non-uniform or low compression in cylinders;
 – Were disconnected or негерметичны ventilation hoses картера the engine.

Ignition admissions in all range of turns of the engine:

 – The fuel filter is polluted;
 – It is faulty or low pressure of giving of fuel the fuel pump;
 – The drainage aperture of a fuel tank or топливопроводы is hammered;
 – подсос air in injection system, an inlet collector or hoses (petrol engines);
 – The interelectrode backlash is incorrectly adjusted or spark plugs (petrol engines) are worn out;
 – The ignition coil (petrol engines) is faulty;
 – The atomizer (diesel engines) is faulty;
 – The cover of the breaker of the distributor (petrol engines) is faulty;
 – A non-uniform or low compression in cylinders;
 – Damage of system of injection of fuel (petrol engines).

Engine vibration at acceleration:

 – The interelectrode backlash is incorrectly adjusted or spark plugs (petrol engines) are worn out;
 – подсос air in injection system, an inlet collector or hoses (petrol engines);
 – Damage of system of injection of fuel (petrol engines);
 – The atomizer (diesel engines) is faulty.

Unstable work of the engine:

 – подсос air in injection system, an inlet collector or hoses (petrol engines);
 – The fuel filter is hammered;
 – Malfunction or low pressure of giving of fuel the fuel pump (petrol engines);
 – The drainage aperture of a fuel tank or топливопроводы is hammered;
 – Damage of system of injection of fuel (petrol engines);
 – Atomizers (diesel engines) are faulty.

Low return of capacity of the engine:

 – The gear belt of a drive is incorrectly established;
 – The fuel filter is hammered;
 – It is faulty or low pressure of giving of fuel the fuel pump;
 – A non-uniform or low compression in cylinders;
 – The interelectrode backlash is incorrectly adjusted or spark plugs (petrol engines) are worn out;
 – подсос air in injection system, an inlet collector or hoses (petrol engines);
 – The system of injection of fuel (petrol engines) is faulty;
 – Atomizers (diesel engines) are faulty;
 – The moment of injection of fuel of the fuel pump (diesel engines) is incorrectly established;
 – Jamming of brakes;
 – Coupling proslipping.

Return flashes in the engine:

 – The gear belt of a drive of the mechanism timing is incorrectly established;
 – подсос air in injection system, an inlet collector or hoses (petrol engines);
 – Damage of system of injection of fuel (petrol engines).

Low pressure of oil in the engine:

 – Low level of oil or its wrong grade;
 – The gauge of pressure of oil is faulty;
 – Bearings of the engine or the oil pump are worn out;
 – An engine overheat;
 – The safety valve of pressure of oil is faulty;
 – The mesh filter маслоприемника is polluted.

The engine works after ignition deenergizing:

 – An excessive deposit in combustion chambers;
 – An engine overheat;
 – Damage of system of injection of fuel (petrol engines);
 – The electromagnetic valve of a stop of the engine (diesel engines) is faulty.

Noise in the engine

Detonation in the engine at acceleration:

 – The corner of an advancing of ignition (petrol engines) is incorrectly established;
 – The type of spark plugs does not correspond to the demanded;
 – Low октановое fuel number;
 – подсос air in injection system, an inlet collector or hoses (petrol engines);
 – An excessive deposit in combustion chambers;
 – Damage of system of injection of fuel (petrol engines).

Whistling or rattling noise:

 – негерметичен an inlet collector or a throttle lining (petrol engines);
 – негерметична a lining of a final collector;
 – негерметичны vacuum hoses;
 – The lining of a head of the block of cylinders is punched.

Jingling noise:

 – It is worn out клапанный the mechanism or a cam-shaft;
 – Deterioration of auxiliary elements of the engine (the water pump, the generator etc.).

Detonation or deaf noise:

 – Bearings of the bottom head of a rod (noise decreases under loading) are worn out;
 – Radical bearings (noise increases under loading) are worn out;
 – Blows on the piston (especially on the cold engine);
 – Auxiliary elements of the engine (the water pump, the generator etc.) are faulty.