2022 Toyota Camry Spark Plug Type & Gap

Quick Reference

Why the right plug matters

Spark plugs are vital for your engine's performance and longevity. They ignite the air-fuel mixture, and using the correct spark plug for your 2022 Toyota Camry is crucial.

Heat Range: Spark plugs are designed with a specific heat range, which refers to their ability to dissipate heat. A "hot" plug retains more heat, while a "cold" plug dissipates heat more quickly. Using a plug that is too hot can lead to pre-ignition and engine damage, while a plug that is too cold can lead to fouling and misfires. The OEM plugs for your Camry are precisely engineered for the optimal heat range.

Electrode Metal: The material of the electrode plays a significant role in a spark plug's lifespan and performance.

• Iridium: Most modern vehicles, including the 2022 Camry, come equipped with iridium spark plugs from the factory. Iridium is extremely hard and has a very high melting point, allowing for very fine electrodes that provide a strong, consistent spark for extended periods. This results in excellent fuel efficiency and long service intervals (typically 100,000 miles or more).
• Platinum: Platinum plugs are a step up from copper, offering better durability and a longer lifespan. They often feature a platinum disc welded to the center electrode. While good performers, they generally don't last as long as iridium plugs.
• Copper: Copper spark plugs have a large copper core, which is an excellent conductor of electricity. However, copper is a softer metal, so these plugs wear out more quickly, requiring more frequent replacement. They are typically found in older vehicles or high-performance, modified engines that benefit from copper's superior conductivity but are tolerant of shorter replacement intervals.

How to gap a spark plug

Properly gapping your spark plugs ensures the correct distance between the center and ground electrodes for an optimal spark. While many modern iridium plugs come pre-gapped and are not designed to be adjusted, it's always a good idea to double-check.

To gap a spark plug, you'll need a spark plug gap tool (either a coin-style or wire-style gauge). Gently slide the gauge until it matches the specified gap. If adjustment is needed, very carefully bend the ground electrode using the tool. Avoid bending the center electrode, especially on iridium plugs, as this can easily damage the delicate tip. For your 2022 Toyota Camry, the recommended gap is 0.043 inches (1.1 mm).

Replacement procedure tips

Replacing spark plugs on your 2022 Toyota Camry is a relatively straightforward job for the mechanically inclined, but there are some tips to keep in mind:

• Coil-on-Plug Removal: Your Camry uses a coil-on-plug (COP) ignition system, meaning each spark plug has its own ignition coil directly mounted on top. To remove, disconnect the electrical connector, then unbolt the coil (usually a 10mm bolt) and pull straight up. Be firm but gentle to avoid damaging the coil or its boot.
• Anti-Seize Debate: There's an ongoing debate about using anti-seize compound on spark plug threads. Some manufacturers, including Toyota, advise against it for modern spark plugs as they often have a special coating that provides adequate lubrication. Applying anti-seize can lead to over-torquing the plugs, potentially stripping the cylinder head threads or causing damage to the plug itself. When in doubt, follow the plug manufacturer's recommendations or err on the side of caution and install them dry, ensuring the threads are clean.
• Dielectric Grease on Boots: A small amount of dielectric grease applied inside the spark plug boot (where it contacts the ceramic insulator of the spark plug) can help prevent moisture intrusion, inhibit corrosion, and make future removal easier. Be careful not to get grease on the electrode tips.
• Torque Specs are Crucial: Always use a torque wrench! Over-tightening can strip threads in the aluminum cylinder head or crack the spark plug insulator. Under-tightening can lead to compression leaks, misfires, or even the plug backing out. For both the 2.5L I4 and 3.5L V6 engines in your 2022 Camry, the torque specification is 13 lb-ft (18 Nm).

Known Issues

Fortunately, the 2022 Toyota Camry engines (2.5L I4 A25A-FKS and 3.5L V6 2GR-FKS) do not have any widespread "known issues" specifically related to spark plug breakage or unique challenges like those seen in some Ford 3-valve engines with two-piece plugs. These engines are known for their reliability, and with proper maintenance, you should expect excellent service from your spark plugs until their recommended replacement interval.

Need plugs replaced? Find a shop on Repairius.