Fiat Marea 1.9 JTD 110 hp — Stage 1 file (+30 hp)

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Chip tuning for Fiat Marea 1.9 JTD 110 hp ECU

Fiat Marea (1996) 1.9 JTD 110 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 110 to 140 hp (+30 hp, +27%) and torque from 275 to 330 Nm (+55 Nm). ECU — Bosch EDC15C7. Flashing method: OBD or Bench depending on the unit's protection. Diesel engines built in 1996 — the era of classic Common Rail without strong encryption.

Fiat sits alongside brands such as Abarth, Lancia and Alfa Romeo (via Stellantis). Fiat's diesel range is built mainly around MultiJet (Common Rail) technology.

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. The Fiat community in Italy offers a large pool of ready-made Stage files for compacts and the Ducato. The Fiat community in Southern Europe has a large pool of ready-made Stage files. Mid-range Fiat engines are a high-volume chip tuning subject.

Frequently asked questions

What power gain do you get after chip tuning the Fiat Marea 1.9 JTD 110 hp?

Stage 1 chip tuning on the Fiat Marea 1.9 JTD 110 hp boosts engine output by 30 hp: from 110 to 140 hp. Torque rises from 275 to 330 Nm (+55 Nm).

What changes in the Fiat Marea ECU after Stage 1?

Stage 1 on the Fiat Marea 1.9 JTD 110 hp is a software ECU calibration with no hardware changes. The key maps (boost/ignition/lambda/torque) are adjusted while factory tolerances are preserved. The gain is +30 hp with no hardware changes.

Is a Stage 1 remap safe for the 1.9 JTD 110 hp?

Stage 1 on the Fiat Marea 1.9 JTD 110 hp is developed while keeping the factory AFR, knock control and temperature limits. Engine life is preserved provided regular maintenance is carried out.

How does Stage 2 differ from Stage 1 on the Fiat Marea 1.9 JTD 110 hp?

Stage 2 for the Fiat Marea 1.9 JTD 110 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.

What control unit does the Fiat Marea 1.9 JTD 110 hp run?

The control unit of the Fiat Marea 1.9 JTD 110 hp is the Bosch EDC15C7. Before flashing, the engineer identifies the exact revision and selects the write method.

Does Stage 1 void the warranty on the Fiat Marea?

Stage 1 on the Fiat Marea voids the factory warranty on the engine and transmission — this is standard for all manufacturers. CHIPOK provides its own warranty on the quality of the remap.

How quickly is chip tuning of the Fiat Marea 1.9 JTD 110 hp done?

The full remap cycle for the Fiat Marea — from reading to writing the final file — takes 30-90 minutes depending on the ECU access method. The file is prepared at CHIPOK in 5-30 minutes.

Can you return to stock after Stage 1 on the Fiat Marea?

The original Fiat Marea ECU is always saved before flashing. Rolling back to the factory firmware is done with the same programmer in 25-30 minutes.

How much does Stage 1 cost for the Fiat Marea 1.9 JTD 110 hp?

The cost of Stage 1 for the Fiat Marea 1.9 JTD 110 hp is calculated in the calculator on this page — you select the options (DPF off, EGR off, AdBlue off, DTC off, etc.) and the price is capped by the package Max Price. Payment is by credits (1 cr = 1 €), with no subscriptions.

Last updated: 01.09.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno