How to Replace Spark Plugs — 2022-2025 Toyota Tundra

Replacing spark plugs on your 2022-2025 Toyota Tundra is a key maintenance task to ensure smooth engine performance, prevent misfires, and maintain fuel efficiency, typically needed every 60,000-120,000 miles depending on the plug type. This DIY repair can save you significant labor costs, with parts costing $50-$100 compared to $200-$400 at a shop. With the right tools and this guide, most DIYers can tackle this job confidently. DIY Cost: $50-$100 | Shop Cost: $200-$400

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.