Fiat Marea 2.4 JTD 124 hp — Stage 1 file (+26 hp)

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Chip tuning for Fiat Marea 2.4 JTD 124 hp ECU

Fiat Marea (1996) 2.4 JTD 124 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 124 to 150 hp (+26 hp, +21%) and torque from 365 to 300 Nm (+-65 Nm). ECU — Bosch EDC15C7. Flashing method: OBD or Bench depending on the unit's protection. The 1996 generation — first-generation CDI/TDI/HDi diesels with relatively simple ECU protection; OBD reading works directly.

Fiat is one of the founders of Stellantis, formed by the merger of FCA and PSA in 2021. Fiat-Iveco engines are widely used in the Stellantis commercial segment.

The Fiat community in Italy offers a large pool of ready-made Stage files for compacts and the Ducato. Within Stellantis, ECUs are standardised across platforms, so some files work on Fiat/Citroen/Peugeot. On Fiat diesels, Stage 1 delivers a noticeable torque gain. Mid-range Fiat engines are a high-volume chip tuning subject. The Fiat community in Southern Europe has a large pool of ready-made Stage files.

Frequently asked questions

How much does the power of the Fiat Marea 2.4 JTD 124 hp increase after Stage 1?

The Stage 1 gain for the Fiat Marea 2.4 JTD 124 hp is 26 hp (+21%) over the stock 124 hp, for a total of 150 hp. Torque rises from 365 to 300 Nm (+-65 Nm).

What is Stage 1 chip tuning for the Fiat Marea?

Stage 1 chip tuning of the Fiat Marea is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +26 hp with no hardware changes.

Can you do Stage 1 on the Fiat Marea 2.4 JTD 124 hp?

Yes, Stage 1 for the Fiat Marea 2.4 JTD 124 hp stays within the factory limits for boost pressure, knock and temperature. On a healthy engine with a serviced turbo and injectors there is no risk.

How much does Stage 2 add on the Fiat Marea?

Stage 2 on the Fiat Marea 2.4 JTD 124 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

Which ECU is fitted to the Fiat Marea 2.4 JTD 124 hp?

The Fiat Marea 2.4 JTD 124 hp ECU is the Bosch EDC15C7. Production versions support OBD access; locked variants require Bench (BDM/JTAG).

What happens to the Fiat Marea warranty after chip tuning?

The factory warranty of the Fiat Marea 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 Fiat Marea take?

On the Fiat Marea 2.4 JTD 124 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 Fiat Marea?

Yes, the original ECU firmware of the Fiat Marea 2.4 JTD 124 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 Fiat Marea?

Stage 1 for the Fiat Marea 2.4 JTD 124 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