Toyota Tundra 4.0i V6 273 hp — Stage 1 file (+7 hp)

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Chip tuning for Toyota Tundra 4.0i V6 273 hp ECU

Toyota Tundra (2006) 4.0i V6 273 hp — mass-market petrol engine of the passenger segment of the Toyota Motor Corporation group (Япония, 1937). Stage 1 chip tuning raises power from 273 to 280 hp (+7 hp, +3%) and torque from 377 to 390 Nm (+13 Nm). In the CHIPOK database: 2 configurations. The 2006 generation — old-era petrol ECUs (ME7/ME9/MED9/Simos) with easily readable memory.

Toyota is Japan's largest carmaker, founded in 1937 in Toyota City. Toyota has historically focused on naturally aspirated, high-compression engines. Denso is Toyota's in-house ECU supplier (a locked platform). Toyota's petrol range spans naturally aspirated Dynamic Force engines and turbo units for the GR series.

Toyota has an active JDM tuning community (GR Supra, GR Yaris, GR86). The Denso ECU is a locked Toyota platform, and most models do not respond to standard chip tuning. The GR models (Yaris GR, Supra) have a growing tuning culture. High-output Toyota GR models sit in the performance segment with solid Stage 1 headroom.

Frequently asked questions

What power gain do you get after chip tuning the Toyota Tundra 4.0i V6 273 hp?

The Stage 1 gain for the Toyota Tundra 4.0i V6 273 hp is 7 hp (+3%) over the stock 273 hp, for a total of 280 hp. Torque rises from 377 to 390 Nm (+13 Nm).

What is Stage 1 chip tuning for the Toyota Tundra?

Stage 1 chip tuning of the Toyota Tundra is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +7 hp with no hardware changes.

Is Stage 1 safe on the high-output Toyota Tundra 4.0i V6 273 hp?

The high-output Toyota Tundra 4.0i V6 273 hp has a conservative factory calibration aimed at the mass market. Stage 1 unlocks the engine's real potential while turbo and injector life are preserved.

How much does Stage 2 add on the Toyota Tundra?

Stage 2 on the Toyota Tundra 4.0i V6 273 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

What happens to the Toyota Tundra warranty after chip tuning?

The factory warranty of the Toyota Tundra does not remain valid after Stage 1 — the manufacturer withdraws its obligations once the ECU software is changed. CHIPOK provides its own warranty on its work and support.

How long does remapping the Toyota Tundra take?

On the Toyota Tundra 4.0i V6 273 hp: OBD flash 25-30 minutes, Bench (if required) about an hour. The file processing itself takes 5-30 minutes once the original bin is received.

Is the original file kept when chip tuning the Toyota Tundra?

Yes, the original ECU firmware of the Toyota Tundra 4.0i V6 273 hp is kept and can be flashed back at any time. Returning to stock via OBD takes 25-30 minutes.

What is the price of a Stage 1 remap for the Toyota Tundra?

Stage 1 for the Toyota Tundra 4.0i V6 273 hp is paid for with CHIPOK credits (1 cr = 1 €). The final amount is set in the calculator, taking the extra options (off functions) into account.

Last updated: 31.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno