How to Replace Spark Plugs — 2019-2025 Toyota RAV4

Replacing spark plugs on your 2019-2025 Toyota RAV4 is a key maintenance task to ensure smooth engine performance, prevent misfires, and maintain fuel efficiency, especially around the 60,000-100,000 mile mark. This DIY repair can save you significant money, costing $40-$80 for parts compared to $150-$250 at a shop. With the right tools and this guide, most DIYers can tackle this job confidently in a couple of hours. DIY Cost: $40-$80 | 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.