Mitsubishi ASX 1.0 MPI-T 91 hp — Stage 1 file (+29 hp)

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Chip tuning for Mitsubishi ASX 1.0 MPI-T 91 hp ECU

Mitsubishi ASX (2023) 1.0 MPI-T 91 hp — mass-market petrol engine of the passenger segment of the Renault-Nissan-Mitsubishi Alliance group (Япония, 1870). Stage 1 chip tuning raises power from 91 to 120 hp (+29 hp, +32%) and torque from 160 to 220 Nm (+60 Nm). This engine ships with different ECU variants: Siemens/Continental EMS3141, Siemens/Continental EMS3161. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 2 configurations · 2 ECU variants. A modern petrol engine built in 2023 — a generation with encrypted ECU protection (Tricore TPROT); top engines require Bench.

Mitsubishi is a Japanese carmaker, part of the Renault-Nissan-Mitsubishi Alliance since 2016. Mitsubishi specialises in off-roaders, crossovers and pickups. The Lancer Evolution is Mitsubishi's iconic rally model and a legend of JDM culture. Mitsubishi's 4G engine series is an iconic piece of JDM heritage (also used in Smart). Low-output Mitsubishi petrol engines are naturally aspirated city-segment units. Mitsubishi's petrol range comprises naturally aspirated and turbo engines.

On modern Mitsubishi models, Bench is often needed for the top models. The Mitsubishi community is active in the JDM segment (Lancer Evo). Within the Renault-Nissan-Mitsubishi Alliance, ECUs are partly standardised. Low-output Mitsubishi models are naturally aspirated city cars; Stage 1 is safe.

Frequently asked questions

How much does the power of the Mitsubishi ASX 1.0 MPI-T 91 hp increase after Stage 1?

The Stage 1 gain for the Mitsubishi ASX 1.0 MPI-T 91 hp is 29 hp (+32%) over the stock 91 hp, for a total of 120 hp. Torque rises from 160 to 220 Nm (+60 Nm).

What is Stage 1 chip tuning for the Mitsubishi ASX?

Stage 1 is a software optimization of the factory ECU firmware of the Mitsubishi ASX with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +29 hp with no hardware changes.

Is Stage 1 worth doing on the base Mitsubishi ASX?

Stage 1 on the base Mitsubishi ASX is safe — the factory calibration of low-output engines leaves headroom for software optimization. The gain is modest, but engine life is not affected.

What is Stage 2 for the Mitsubishi ASX 1.0 MPI-T 91 hp?

Stage 2 on the Mitsubishi ASX 1.0 MPI-T 91 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

Which control units is the Mitsubishi ASX 1.0 MPI-T 91 hp built with?

The Mitsubishi ASX 1.0 MPI-T 91 hp comes with 2 ECU variants: Siemens/Continental EMS3141, Siemens/Continental EMS3161. Calibration is done for the specific unit after the revision is identified.

Does the factory warranty of the Mitsubishi ASX remain valid after Stage 1?

After remapping the Mitsubishi ASX, the official factory warranty on the engine and gearbox is lost (this applies to any manufacturer when the ECU is modified). CHIPOK guarantees the quality of the calibration and free revisions.

How long is the wait for a Stage 1 remap for the Mitsubishi ASX?

Reading and writing via OBD takes 25-30 minutes on the Mitsubishi ASX. Bench reading (BDM/JTAG) takes about 60 minutes plus refitting. Remote file processing at CHIPOK takes 5-30 minutes.

How do you roll back to the factory firmware of the Mitsubishi ASX?

Before Stage 1 the original of the Mitsubishi ASX 1.0 MPI-T 91 hp is read out and saved — returning to the factory state is possible at any time.

How much does chip tuning the Mitsubishi ASX 1.0 MPI-T 91 hp cost?

The remap price for the Mitsubishi ASX 1.0 MPI-T 91 hp is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.

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