You might not realize that the right spark plugs can greatly impact your Toyota 4Runner’s overall performance and fuel efficiency. While many drivers overlook this essential component, choosing the best options can lead to smoother engine operation and reduced emissions. Consider how specific types, like iridium and standard plugs, can affect your vehicle’s longevity and performance metrics. If you’re curious about which spark plugs will suit your 4Runner best and the factors to keep in mind, there’s plenty more to explore.
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Quick Takeaways
- NGK Iridium IX plugs offer peak ignition efficiency and are highly rated for the 2003-2013 4.0L V6 engine.
- DENSO Standard plugs reduce emissions and enhance combustion for the 1996-2002 3.4L V6 engine, with excellent customer feedback.
- DENSO Iridium TT plugs promote superior combustion efficiency and durability, ideal for the 2003-2013 4.0L V6 engine.
- NGK Laser Iridium plugs provide a long service interval of 120,000 miles and improve fuel efficiency for the 2003-2009 4.7L V8 engine.
- Proper spark plug selection based on engine compatibility and gap specifications enhances overall vehicle performance and efficiency.
