How to check the operation of the spark plugs without resorting to the help of auto repair shop

What if the engine suddenly stopped working fine? If, instead of even work, the motor suddenly began to clutch even at idle? The owners begin to worry strongly, thinking about the possible repair of the engine, but most often the problem is in the ignition candles that begin to work incorrectly or fail. How to check their performance, we will tell in this article.

The main faults of the spark plugs, why they arise

Best Chargoli Spark plugs

To begin with, we define the main causes of candles malfunctions so that this trouble does not touch you in the future.

The most common reasons:

- low-quality gasoline.

- untimely maintenance of the fuel system.

- Incorrect installation of the gap (it should be 0.7 mm)

- incorrectly chosen candle, power or connector.

- Operation of the car in excess of large loads.

Ignition Candle Definition

To check, the candles need to be removed.

Before removing, make sure that there is a labeling with the cylinder number.

Otherwise, apply the labels themselves so that when installing does not confuse the wires.

Checking the candles is in two stages.

first stage - Checking candles in appearance

It is necessary to make sure that they do not have any external damage, like chips, cracks, and similar damage.

Diagnostics of engine operation at the state of spark plugs - ...

1. Normal condition of the candle 2. Fuel consumption 3. Beaded air-fuel mixture 4. Low quality fuel Print 5. The condition of the oil caps, the candle of gromacene 6. The car's cutting cylinder 7.Nearverability arose or bad gasoline, or early ignition, or Detonation 8.She extensive oil consumption, spatial oil piston rings, elevated oil consumption

Next, we look at all the ignition candles, the Nagar was about the same.

This will indicate that the fuel mixture combines in all cylinders equally.

If some kind of candle is distinguished from others to a large nagar, then most likely, it is the problem.

Either, in the equipment of this cylinder.

If there is an oil nagar, then this is definitely implies mechanical engine repair.

diagnostics of the vestment of the car VAZ 2108, VAZ 2109, VAZ 21099 in the appearance of spark plugs - malfunction

The point here is not in the candlelight.

We also check the housing of the candles for the presence of a breakdown traces, which is characterized by the presence of black paths.

the second stage - there is a check of the work of the candle

It can be done in several ways.

1. The first method is the easiest and does not require special devices.

In the people, it is called - checking on the spark.

Spark plug tests

Before checking, you need to wear rubber gloves, in order to avoid electric shock.

For testing, the candle is inserted into the wire and shakes to the engine housing. Ignition turns on.

checking the ignition system by car VAZ 2108, VAZ 2109, VAZ 21099 Engine VAZ 2108, 2109, 21099 does not start

Between the candles and the case, the good spark should slip, the blue shade. This speaks of her health.

If there is no spark, then the candle is faulty and subject to replacement.

If the color of the spark is red, and it is very weak, then the spark plug must be cleaned.

After cleaning, the candle can still be used.

2.The fact that the test requires the existence of a tester.

Its terminals are connected to the tip and electrode of the candle.

The arrow of the device must deviate greatly.

How to check the spark plug

If it stands still in place or the movement is insignificant, then the candle is faulty.

3. For the third method of verification, pidey is required element from lighter.

The wire, from the pidey element, is connected to the candle tip.

Next is pressed the element button.

At the moment of clicking on the electrode, the candles should slip the spark.

It will talk about her health.

In principle, as can be seen, all checks are quite simple and do not require special knowledge and skills. Therefore, in order to save on the services of auto repair shop, you can do everything with your own hands. The main thing is to clearly follow the instructions.

Comments

  1. Dima327 says:

    after the previous replacement, 20 thousand did not start the engine, arrived at a hundred towing replaced candles, now everything works without interruption