How often does the spark plug change?Signs that spark plugs need to be replaced

The service life of spark plugs is related to the electrode material, spark plug brand and other factors. Generally, ordinary nickel alloy spark plugs need to be replaced once after about 20,000 kilometers, and the service life is the shortest; platinum alloy spark plugs can be replaced at about 40,000 kilometers; iridium spark plugs can be replaced It is replaced at about 60,000-80,000 kilometers, and the service life is the longest. But these are just some reference values, and it depends on the usage of the spark plug.

As the terminal of the ignition system of the engine, the spark plug is responsible for igniting the combustible mixture and is subjected to a high temperature and high pressure working environment. In such a harsh environment, repeated work will inevitably be damaged. So is there any sign when the spark plug is damaged and needs to be replaced?

1. The vehicle is difficult to start

The specific manifestation is that the engine needs to be ignited several times to start, and if the engine is in an idling state, it is prone to flameout. If the above two situations occur, it is most likely caused by a problem with the spark plug.

2. Engine idling jitter

When the engine is idling, if there is obvious and regular shaking, there may be a problem with the spark plug. Of course, the idling jitter is most likely caused by problems such as carbon deposits, so you have to go to a 4S shop or repair shop to investigate one by one.

3. The vehicle is unable to accelerate

When you need to accelerate quickly, butdiscoverEngine power is not as good as one wants, and accompanied by engine jitter and fuel consumption increase, this may also be a problem with the spark plug.

The above lists t