How often should the spark plugs be replaced
The replacement cycle of the automobile spark plug mainly depends on its material and use.
Nickel alloy spark plug : It is generally recommended to replace every 20,000 kilometers, the longest is not more than 40,000 kilometers.
Platinum spark plug : The replacement cycle is usually between 30,000 and 60,000 km, depending on the quality and conditions of use.
Iridium spark plug : The replacement cycle is longer, generally between 60,000 and 80,000 kilometers, depending on the brand and conditions of use.
Iridium platinum spark plug : The replacement cycle is longer, up to 80,000 to 100,000 kilometers.
Influencing factors of spark plug replacement cycle
The replacement cycle of the spark plug depends not only on its material, but also on the road condition of the vehicle, the quality of the oil and the carbon accumulation of the vehicle. After long-term use, the electrode gap of the spark plug will gradually increase, resulting in a decrease in work efficiency and thus an increase in fuel consumption. Therefore, regular inspection and replacement of spark plugs can not only maintain the normal operation of the vehicle, but also effectively reduce fuel consumption and improve the overall performance of the vehicle.
The specific steps of spark plug replacement
Open the hood and lift the plastic cover of the engine.
Remove high pressure dividers and mark them to avoid confusion.
Use the spark plug sleeve to remove the spark plug in turn, pay attention to clean the external leaves, dust and other impurities.
Place the new spark plug into the spark plug hole and tighten with a sleeve after twisting a few turns by hand.
Install the removed high pressure branch wire in the ignition sequence and fasten the cover.
Automotive spark plugs have multiple functions in the automobile, mainly including ignition, cleaning, protection and improve fuel efficiency.
Ignition function : the spark plug introduces the pulse high voltage generated by the ignition coil into the combustion chamber, and uses the electric spark generated by the electrode to ignite the mixed gas to ensure the full combustion of the fuel, so as to drive the piston movement and make the engine run smoothly.
Cleaning : Spark plugs help remove carbon deposits and deposits from the combustion chamber, which can affect ignition and reduce engine performance. By optimizing the ignition process, spark plugs can improve fuel efficiency and reduce fuel consumption and exhaust emissions.
Protective effect : Spark plug as a protective barrier of the engine, prevent pollutants and particles in the air from entering, to ensure the stable operation of the engine. The insulators and center electrodes are designed with cooling and thermal insulation to prevent high-temperature sparks from causing damage to other engine components.
Improve fuel efficiency : By optimizing the ignition process, spark plugs improve combustion efficiency, increase engine power output, and reduce fuel consumption and emissions.
Spark plug maintenance and replacement cycle : the life of the spark plug is generally about 30,000 kilometers, regular inspection of the working condition of the spark plug can help find and deal with engine faults in time to ensure the normal operation of the engine.
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