Select Vehicle
Select Vehicle

2017–2020 Toyota 86 Ignition FAQ's

Please read our FAQs page to find out more.

Do coil upgrades help the ZN6 Toyota 86 FA20 2.0L?

Healthy OE‑style coils are reliable for NA use. For higher boost, upgraded coils and a robust harness can reduce misfire. Pair with the correct heat‑range plugs and appropriate gaps.

What plug heat range and gap work well on a mildly tuned ZN6 Toyota 86?

One step colder than stock with a slightly tighter gap is common as cylinder pressure rises. Monitor knock and misfire in logs and adjust accordingly.

Any wiring reliability tips for the ZN6 Toyota 86 ignition system?

Ground the heads properly, route looms away from headers, and inspect aging connectors. Clean grounds stabilize idle and cruise.