Can Using High-Performance Spark Plugs Improve the Performance of a Toyota Hilux?

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Can Using High-Performance Spark Plugs Improve the Performance of a Toyota Hilux?

Some owners claim high-performance spark plugs enhance throttle response and fuel efficiency. Have you tried upgraded spark plugs, and did they make a difference?

Sirat Ul Jinan asked on 11 Feb 2025 17:01:54 pm

1 Answer

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Car Mechanic Expert - on 11 Feb 2025 17:05:42 pm

🚗 Do Performance Spark Plugs Make a Difference?

✅ Iridium vs. Standard Spark Plugs:
✔️ Better Ignition – More efficient fuel burning.
✔️ Smoother Acceleration – No hesitation o r lag.
✔️ Improved Fuel Efficiency – Small increase in mileage.

📌 Verdict: Upgrading to iridium spark plugs helps, but you won’t see a huge horsepower increase.