Fiat Strada 1.3 Mjet 85 hp — Stage 1 file (+20 hp)

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Chip tuning for Fiat Strada 1.3 Mjet 85 hp ECU

Fiat Strada (2009) 1.3 Mjet 85 hp — mass-market diesel engine of the passenger segment of the Stellantis (бывш. FCA — Fiat Chrysler Automobiles) group (Италия, 1899). Stage 1 chip tuning raises power from 85 to 105 hp (+20 hp, +24%) and torque from 200 to 250 Nm (+50 Nm). This engine ships with different ECU variants: Marelli MJD8, Marelli MJD8DMF, Marelli MJD8F2, Marelli MJD8F3, Marelli MJD9DF. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 5 configurations · 5 ECU variants. Diesel engines built in 2009 — the era of classic Common Rail without strong encryption.

The Fiat community in Italy and Eastern Europe generates a large volume of chip tuning on compacts. MultiJet is Fiat's proprietary technology for its Common Rail diesel engines.

Within Stellantis, ECUs are standardised across platforms, so some files work on Fiat/Citroen/Peugeot. The Fiat community in Italy offers a large pool of ready-made Stage files for compacts and the Ducato. On naturally aspirated Fiat engines the main effect is sharper throttle response. Low-output Fiat engines are city units, and Stage 1 is safe on them.

Frequently asked questions

What power gain do you get after chip tuning the Fiat Strada 1.3 Mjet 85 hp?

Stage 1 chip tuning on the Fiat Strada 1.3 Mjet 85 hp boosts engine output by 20 hp: from 85 to 105 hp. Torque rises from 200 to 250 Nm (+50 Nm).

What changes in the Fiat Strada ECU after Stage 1?

Stage 1 is a software optimization of the factory ECU firmware of the Fiat Strada with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +20 hp with no hardware changes.

Is Stage 1 worth doing on the base Fiat Strada?

Yes, Stage 1 on the low-output Fiat Strada 1.3 Mjet 85 hp delivers a moderate but genuine gain — without overstressing the hardware. On base naturally aspirated engines the effect is felt mainly as improved throttle response and a stronger mid-range.

What is Stage 2 for the Fiat Strada 1.3 Mjet 85 hp?

Stage 2 for the Fiat Strada 1.3 Mjet 85 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.

Which control units is the Fiat Strada 1.3 Mjet 85 hp built with?

The Fiat Strada 1.3 Mjet 85 hp comes with 5 ECU variants: Marelli MJD8, Marelli MJD8DMF, Marelli MJD8F2, Marelli MJD8F3, Marelli MJD9DF. Calibration is done for the specific unit after the revision is identified.

Does the factory warranty of the Fiat Strada remain valid after Stage 1?

After remapping the Fiat Strada, 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 Fiat Strada?

Reading and writing via OBD takes 25-30 minutes on the Fiat Strada. 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 Fiat Strada?

Before Stage 1 the original of the Fiat Strada 1.3 Mjet 85 hp is read out and saved — returning to the factory state is possible at any time.

How much does chip tuning the Fiat Strada 1.3 Mjet 85 hp cost?

The remap price for the Fiat Strada 1.3 Mjet 85 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: 30.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno