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Lexus RX
2.0T 235hp ( 235 PS / 173 kW ) — Tuning File

235 PS stock power · 2015 - 2019 (2015-2019) · Gasoline
Vehicle Data
BrandLexus
ModelRX
Generation2015 - 2019
Year2015-2019
FuelGasoline
Displacement1,998.0 L
Engine Code8AR-FTS
ECU Denso 89661-48z70, Denso 89661-48z70, Denso P5
Stock Power235 PS
Stock Torque350 Nm
Tuning Potential
STAGE1
256 PS +21
Power
385 Nm +35
Torque
+21 PS
Gain
STAGE2
265 PS +30
Power
400 Nm +50
Torque
+30 PS
Gain
Available Options
CAT OFF E85 Flexfuel Lambda OFF Pop & Bang Vmax OFF
ECU Remap — Lexus RX 2.0T 235hp ( 235 PS / 173 kW )

The Lexus RX 2.0T 235hp ( 235 PS / 173 kW ) (Gasoline, 235 PS) can be tuned with a Stage 1 ECU remap to 256 PS — a gain of +21 PS without any hardware modifications. Our tuning files target the original ECU software and optimise parameters such as injection timing, boost pressure and fuel maps to unlock the full performance potential.

All tuning files at ecufiles.io are developed and tested by experienced engineers. The original ECU file is always preserved — the remap is 100% reversible at any time.

Frequently Asked Questions
What does an ECU remap do on the Lexus RX 2.0T 235hp ( 235 PS / 173 kW )?
An ECU remap (chiptuning) modifies the engine control unit software to optimise parameters like injection timing, turbo boost pressure and fuel delivery. On the 2.0T 235hp ( 235 PS / 173 kW ), this typically results in more power, better throttle response and improved fuel efficiency at part load.
How much power gain is possible with Stage 1 on the 2.0T 235hp ( 235 PS / 173 kW )?
Stage 1 brings the 2.0T 235hp ( 235 PS / 173 kW ) from 235 PS to 256 PS — a gain of +21 PS. No hardware modifications are required, making it the most popular and cost-effective tuning option.
Is chiptuning reversible on the Lexus RX?
Yes. We always save the original ECU file before applying any remap. The tuning can be fully reversed to factory settings at any time.
How fast do I receive the tuning file?
We process orders Monday to Friday from 08:00–20:00 and Saturday from 10:00–16:00. Most tuning files for the Lexus RX are delivered within 1–3 hours after uploading your original file.

Order Tuning File for Lexus RX

Upload your original file — we deliver the right tuning file for your 2.0T 235hp ( 235 PS / 173 kW ). Fast, secure, credit-based. B2B access for chiptuning professionals.

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