Renault Mascott 3.0 dXi 150 hp — Stage 1 file (+25 hp)

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Chip tuning for Renault Mascott 3.0 dXi 150 hp ECU

Renault Mascott (2004) 3.0 dXi 150 hp — mass-market diesel engine of the passenger segment of the Renault-Nissan-Mitsubishi Alliance group (Франция, 1899). Stage 1 chip tuning raises power from 150 to 175 hp (+25 hp, +17%) and torque from 350 to 400 Nm (+50 Nm). Diesel engines built in 2004 — the era of classic Common Rail without strong encryption.

Renault shares platforms and engines with Nissan, Dacia and Mercedes (through technical partnerships). dCi is Renault's signature designation for its turbo diesels.

On mid-range Renault diesels, Stage 1 delivers a noticeable torque gain. The Renault community in France and Eastern Europe offers a large pool of ready-made Stage files. Within the Renault-Nissan Alliance, ECUs are partly standardised, so some files carry over between brands. The Renault community in Eastern Europe offers a large pool of Stage files for dCi engines. Mid-range Renault engines are a mainstream chip tuning subject in France.

Frequently asked questions

How much horsepower does Stage 1 add for the Renault Mascott 3.0 dXi 150 hp?

Stage 1 chip tuning on the Renault Mascott 3.0 dXi 150 hp boosts engine output by 25 hp: from 150 to 175 hp. Torque rises from 350 to 400 Nm (+50 Nm).

What changes in the Renault Mascott ECU after Stage 1?

Stage 1 is a software optimization of the factory ECU firmware of the Renault Mascott with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +25 hp with no hardware changes.

What is the risk of Stage 1 on the Renault Mascott 3.0 dXi 150 hp?

A remap of the Renault Mascott 3.0 dXi 150 hp is safe — the factory calibration in this mid-range class is conservative, leaving genuine headroom for Stage 1 with no hardware changes.

What is Stage 2 for the Renault Mascott 3.0 dXi 150 hp?

Stage 2 for the Renault Mascott 3.0 dXi 150 hp is Stage 1 plus hardware changes: a downpipe, a larger intake and a performance intercooler. The gain is considerably higher, but it requires professional component selection.

Does the factory warranty of the Renault Mascott remain valid after Stage 1?

After remapping the Renault Mascott, 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 Renault Mascott?

Reading and writing via OBD takes 25-30 minutes on the Renault Mascott. 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 Renault Mascott?

Before Stage 1 the original of the Renault Mascott 3.0 dXi 150 hp is read out and saved — returning to the factory state is possible at any time.

How much does chip tuning the Renault Mascott 3.0 dXi 150 hp cost?

The remap price for the Renault Mascott 3.0 dXi 150 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: 01.09.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno