Toyota 3.0 i-Four V6 24V Tuning
Supported in 2 Toyota models, 2004+.
Toyota
3 supported 3.0 i-Four V6 24V applications
Models With the Toyota 3.0 i-Four V6 24V
All Supported Toyota 3.0 i-Four V6 24V Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| Crown | 2004+ | 256 hp | ECU Denso 76F00xx | AutoTuner | |
| Mark X | 2009+ | X130 | 256 hp | ECU Denso 76F00xx | AutoTuner |
| Mark X | 2004+ | X120 | 256 hp | ECU Denso 76F00xx | AutoTuner |
About Toyota 3.0 i-Four V6 24V tuning
We tune the Toyota 3.0 i-Four V6 24V in 3 applications across the Crown, Mark X, from 2004+, in gasoline form, with stock outputs of 256 hp. Calibrations are written on AutoTuner for your exact hardware and fuel, then proven on our Dynojet 424xLC2 in Jenison, MI.
This engine runs on: Denso 76F00xx.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.