How many kilometers should the spark plugs of the new Jetta be replaced?
2 Answers
The spark plugs of the new Jetta should be replaced every 35,000 kilometers or 48 months. If the engine shakes, has difficulty starting, or experiences cylinder misfires due to specific reasons, the spark plugs need to be checked. In terms of power, the new Jetta offers two engine options: a 1.4L and a 1.5L. The 1.4L engine delivers a maximum power of 66kW (90PS) and a maximum torque of 132Nm, paired with a 5-speed manual transmission. The new Jetta is a car launched by FAW-Volkswagen Jetta, based on Volkswagen's family-style design language, featuring precise and dynamic lines that create a stylish and sporty appearance.
I found that for the spark plug replacement interval of the new Jetta, it's generally recommended between 60,000 to 100,000 kilometers, depending on the engine type and driving habits. For turbocharged versions, the manual usually suggests inspection or replacement every 60,000 kilometers due to accelerated wear from high compression ratios. Naturally aspirated engines might extend this to 80,000 kilometers. Last time I changed the spark plugs at 70,000 kilometers, I noticed the car started faster and fuel consumption dropped by 0.5%. In practice, if you frequently drive in traffic jams or take many short trips, wear can advance to needing replacement as early as 50,000 kilometers—otherwise, engine shaking and ignition failures are common. Material matters too: copper-core spark plugs have shorter lifespans, needing replacement every 30,000 to 50,000 kilometers, while iridium or platinum ones can last up to 100,000 kilometers. I recommend checking the electrode color during regular maintenance—if it turns white or has heavy carbon buildup, act promptly. Preventive maintenance can save you from costly major repairs.
