Can I set the gap to 0.031 in. myself?
The table prints 0.031 in. (0.8 mm) for DENSO FC16HR-Q8, and the notice says the gap is not adjusted. Use the plug as supplied.
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In-depth guide
2020 Toyota RAV4
2020 RAV4 spark plug is DENSO FC16HR-Q8. The gap is 0.031 in. The plugs are iridium and the gap is not adjusted.
Difficulty, time, and cost are estimates when this guide gives them. Torque is a cited figure, or it is left off.
Main source: RAV4 Owner's Manual OM0R024U, ignition system. Helm lists this publication as the 2020 RAV4. (opens in a new tab), Toyota Motor Sales, U.S.A., Inc., published 2020-01-01, read 2026-10-15.
Numbers on this page come from the cited source. Match the engine before you use a capacity or a torque. Do not work under a vehicle held only by a jack.
The plug named in the ignition table
No firing order is printed, so no sequence is drawn.
| Item | Figure | Where it comes from |
|---|---|---|
| Plug | DENSO FC16HR-Q8. Gap 0.031 in. (0.8 mm). | Ignition system, spark plug |
The ignition table lists that make and a gap of 0.031 in. (0.8 mm) for the A25A-FKS engine in this manual.
The notice says the plugs are iridium-tipped and that the gap is not adjusted.
No firing order is printed in the ignition system, so this page has no sequence drawing. The gap stays at the 0.031 in. printed for DENSO FC16HR-Q8.
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Part
DENSO FC16HR-Q8
Iridium-tipped. The notice says to use only iridium-tipped plugs and not to adjust the gap.
2020 RAV4 ignition system (opens in a new tab)Search Amazon.com (affiliate link) (opens in a new tab)
Tool
The plug named in the ignition table
No firing order is printed, so no sequence is drawn.
2020 RAV4 owner's manual (opens in a new tab)Search Amazon.com (affiliate link) (opens in a new tab)
The table prints 0.031 in. (0.8 mm) for DENSO FC16HR-Q8, and the notice says the gap is not adjusted. Use the plug as supplied.
It is not printed in the ignition system that was read, so this page does not draw one.
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These guides cover the same kind of work. Their numbers belong to those vehicles, not to this one.