Malfunctions in way of car VAZ-2115

Possible malfunctions on the way of VAZ-2115 cars (Lada Samara 115, sedan), their causes and methods for their elimination.

The engine will not start
Engine starting problems can be divided into two main groups depending on the degree of engine heating. At least 6 hours have passed since the engine stopped at an outside air...

Malfunctions in the starting system
Malfunctions in the starting system manifest themselves in abnormal operation of the starter. Five main malfunctions of the starter can be identified. 1. The starter does not turn...

Checking the ignition system
Warning! Your vehicle is equipped with a high-energy microprocessor-controlled ignition system (HEISS). The high-voltage wires carry voltages of approximately 40,000 V, and...

Checking the power supply system
When checking the fuel system of engines with distributed fuel injection, you should first check the tightness of all connecting pipes of the system. Fuel leaks are not allowed....

Fuel injection system faults
When working with the injection system, be sure to follow the following rules. 1. Before removing any injection control system components, disconnect the wire from the "-"...

Idle speed is gone
Determining the cause of this malfunction requires specialized diagnostic equipment, so if a malfunction occurs, contact a service station that specializes in repairing vehicles...

Engine misfires
When interruptions occur, the engine runs unevenly at idle, does not develop sufficient power, and consumes gasoline at an increased rate. Interruptions are usually explained by a...

Engine diagnostics by the appearance of spark plugs
1. Normal candle Brown or grayish yellow color and slight wear of the electrodes. Accurate thermal value for the engine and operating conditions. Helpful Hint: When replacing...

The car moves in jerks
In relation to a car, a jerk is a short-term spontaneous change in the engine crankshaft speed regardless of the position of the gas pedal. In everyday operation, as a rule, there...

A jerk at the start of movement
At the moment of starting the movement, the extreme case of jerking - failure - often occurs. The most unpleasant sensations are associated with the delay in the engine's response...

Jerks during acceleration
The reason for jerks during acceleration may be, as in the previous case (see " A jerk at the start of movement " in the subsection " The car moves in jerks "), insufficient fuel...

Jerks during steady motion
Such jerks are most often caused by a malfunction of the ignition system. Diagnostics and repair are necessary (see section " Electrical equipment "). On the way, you can try to...

The car accelerates poorly
There are many reasons for the deterioration of dynamics, the main ones can be defined as follows. 1. Engine malfunction - decreased compression in one or more cylinders,...

Adjusting the clutch drive
1. Place the car on a level surface and try to start moving in 1st gear, smoothly releasing the clutch pedal. Try to determine at what position of the clutch pedal your car starts...

The engine stalled while driving
Sooner or later, every driver can find themselves in a situation where the car, which just a few moments ago obeyed all commands, suddenly stops responding to pressing the gas...

The engine oil pressure has dropped
For reliable operation of the engine, it is necessary that the engine crankcase constantly maintains the engine oil level and that there is sufficiently high oil pressure in the...

Checking the lubrication system
1. Open the hood. Do not rush to check the oil level in the engine right away - let it drain into the oil pan, this will take 2-3 minutes. During this time, carefully inspect the...

Car engine overheating
When the engine is running, a properly functioning cooling system maintains the optimum temperature conditions. Malfunctions in the cooling system can lead to engine overheating....

Checking the cooling system
1. Stop the engine. 2. Open the hood and inspect the underhood space. Determine where the steam is escaping from. When inspecting the engine, pay attention to the presence of...

The battery is not recharging
The car has two sources of current - the battery and generator . The battery is used to start the engine and to supply 12 V electric current to the starter and other consumers...

Checking the electrical equipment of the car
1. Check if the alternator drive belt is broken. If the belt is intact, check its tension. Press the belt with your thumb from above and see how much it bends. Normal tension is...

Vehicle electrical equipment faults
Most often, electrical equipment malfunctions occur during everyday use of a car. For objective reasons, electrical equipment repairs should preferably be carried out by qualified...

Extraneous knocking noises in the engine
If you feel that the engine is making sounds that were not there before, immediately check if everything is OK with the engine. Most often, engine knocks are associated with...

Extraneous knocks in the suspension and transmission
If extraneous knocking sounds appear in the suspension of a moving vehicle, it is necessary to immediately determine their source, regardless of whether the knocking is constant...

Vibration and shock on the steering wheel
Knocking sounds from below may be caused not only by faults in the suspension, but also in the vehicle's steering. Warning! The condition of the steering significantly affects not...

Brake problems
Your vehicle's braking system is equipped with vacuum booster and quite effective. Reduced braking efficiency, skidding of the car when braking should be a signal to urgently...

Bleeding the brake system
If the brake pedal has become "soft" and becomes "harder" after several consecutive presses, this means that air has entered the hydraulic brake drive. To remove air from the...

Checking the brake system
1. The reason for the decrease in braking efficiency may be unsatisfactory operation vacuum booster . For a quick check, press the brake pedal several times with the engine off to...

Puncture of the tire
A flat tire is a nuisance that every driver faces sooner or later. Air from a flat tire can escape quickly or slowly, depending on the size of the object that punctured the tire...

Wheel replacement
1. Engage 1st gear and apply the parking brake. Place the jack under the vehicle next to the wheel to be replaced. If the vehicle is on soft ground, place a wide, firm support...

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➠ General information: Troubleshooting VAZ-21099 (1990-2004)
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