Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2023 Toyota HighlanderSpark Plug Type & Gap
OEM spark plug spec from the factory service manual for the 2020-2024 (2020-2024).
Quick Answer
Source: Factory service manual — 2023 Toyota Highlander 2020-2024.
This vehicle's factory manual
The spec is above. This opens the 2023 Toyota factory books so you can go into the Highlander procedure.
What You'll Need
Related for Your 2023 Toyota Highlander
Frequently Asked Questions
- What spark plugs does a 2023 Toyota Highlander use?
- Refer to the factory service manual for the exact spark plug specification for your 2023 Toyota Highlander.
- What is the spark plug gap for a 2023 Toyota Highlander?
- Refer to the factory service manual for the exact spark plug gap specification.
- How often should I replace spark plugs on a 2023 Toyota Highlander?
- Most modern vehicles recommend spark plug replacement every 60,000–100,000 miles. Check your factory service manual for the exact interval.