How often should spark plugs be replaced in Volkswagen cars?
2 Answers
Volkswagen's original spark plugs should generally be replaced every 20,000 to 30,000 kilometers under normal conditions. For iridium or platinum spark plugs, replacement can be extended to every 60,000 to 80,000 kilometers. The electrodes of spark plugs repeatedly generate sparks to ignite the air-fuel mixture in the cylinders, while other components of the ignition system produce precisely timed high-voltage electrical pulses, creating sparks and explosions that provide the energy required for engine power output. The Volkswagen Lavida measures 4,670 mm in length, 1,806 mm in width, and 1,474 mm in height, with a wheelbase of 2,688 mm. The Lavida features front-engine, front-wheel-drive configuration, with a MacPherson strut front suspension and a torsion beam rear suspension.
From my experience with Volkswagen, the replacement interval for spark plugs is generally between 30,000 to 60,000 kilometers, depending on the model and driving habits. For example, turbocharged engines in cars like the Volkswagen Golf or Passat usually require replacement within 40,000 kilometers, while naturally aspirated engines might last up to 50,000 kilometers. Spark plugs are responsible for ignition, and over time, wear can cause engine shaking, increased fuel consumption, and difficulty starting. Since I mostly drive in the city with frequent starts and stops, which accelerates wear, I have them checked every 30,000 kilometers at the repair shop. The manual provides recommended intervals, but real-world driving conditions have a big impact: those who drive mostly long-distance highway miles can delay replacement slightly, but frequent stop-and-go traffic means earlier replacement. Replacing them isn’t expensive—a set costs a few hundred yuan—but it keeps the engine running smoothly. Delaying replacement can lead to more severe carbon buildup issues, doubling repair costs. I recommend handling it during routine maintenance rather than waiting for symptoms to appear.
