Staff Answer
Aug 15, 2026 - 01:47 PM
Ignition spark generation and combustion chamber firing on the 2022 Toyota 86 are managed by direct ignition coil packs, iridium-tipped spark plugs, precise gap settings, and engine control unit timing loops.
How to Fix It:
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Access Spark Plug Locations: Remove surrounding engine bay components and wheel-well splash guards to reach the horizontally opposed spark plug ports on the sides of the boxer engine block.
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Disconnect and Remove Plugs: Unplug the electrical connector from each ignition coil pack, remove the retaining bolts, pull out the coils, and use a deep spark plug socket with an extension to unscrew the old plugs.
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Install New Plugs: Gap and thread new iridium spark plugs into the cylinder heads carefully by hand to avoid cross-threading, then torque them to factory specifications before reattaching the coil packs.
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