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Replacing spark plugs on your 2022-2025 Hyundai Tucson is a key maintenance task to ensure smooth engine performance, prevent misfires, and maintain fuel efficiency, typically needed every 60,000-95,000 miles depending on the plug type. This DIY repair can save you significant labor costs, with parts costing $30-$60 compared to shop fees of $150-$250. With the right tools and this guide, most DIYers can tackle this job confidently in under two hours. DIY Cost: $30-$60 | Shop Cost: $150-$250
Innova operates one of the world's largest automotive diagnostic databases. It's built on real-world scan data from millions of vehicles on the road, combined with OEM repair information licensed directly from vehicle manufacturers.

Replacing spark plugs on your 2022-2025 Hyundai Tucson is a key maintenance task to ensure smooth engine performance, prevent misfires, and maintain fuel efficiency, typically needed every 60,000-95,000 miles depending on the plug type. This DIY repair can save you significant labor costs, with parts costing $30-$60 compared to shop fees of $150-$250. With the right tools and this guide, most DIYers can tackle this job confidently in under two hours. DIY Cost: $30-$60 | Shop Cost: $150-$250
You’re done. Clear any stored codes with your scanner and complete a normal drive cycle so the vehicle’s readiness monitors reset.
If the code returns, the root cause likely wasn’t the part you replaced — go back through the diagnostic steps before swapping anything else.