Peugeot 306 2.0 HDI 110 hp — Stage 1 file (+26 hp)

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Chip tuning for Peugeot 306 2.0 HDI 110 hp ECU

Peugeot 306 (1993) 2.0 HDI 110 hp — mass-market diesel engine of the passenger segment of the Stellantis group (Франция, 1810). Stage 1 chip tuning raises power from 110 to 136 hp (+26 hp, +24%) and torque from 250 to 290 Nm (+40 Nm). This engine ships with different ECU variants: Bosch EDC15C2, Bosch EDC15C7. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 2 configurations · 2 ECU variants. The 1993 generation — first-generation CDI/TDI/HDi diesels with relatively simple ECU protection; OBD reading works directly.

Within Stellantis, Peugeot shares platforms and engines with Citroen, Opel/Vauxhall and DS. The Peugeot range covers compacts, saloons, SUVs, crossovers and commercial vehicles. Peugeot is a French carmaker founded in 1810, the oldest automotive brand in France. The factory calibration on Citroen diesels is conservative, leaving headroom for Stage 1.

The Peugeot community in France offers a large pool of Stage files. Within Stellantis, ECUs are standardised, so Peugeot files often work on Citroen/Opel/DS. On Peugeot diesels, Stage 1 delivers a noticeable torque gain. Mid-range Citroen engines are a mainstream chip tuning subject in Europe. The French Citroen community has a large pool of ready-made Stage files.

Frequently asked questions

How many horsepower does the Peugeot 306 2.0 HDI 110 hp reach after a remap?

The Stage 1 gain for the Peugeot 306 2.0 HDI 110 hp is 26 hp (+24%) over the stock 110 hp, for a total of 136 hp. Torque rises from 250 to 290 Nm (+40 Nm).

What is Stage 1 chip tuning for the Peugeot 306?

Stage 1 chip tuning of the Peugeot 306 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 Peugeot 306 2.0 HDI 110 hp?

Yes, Stage 1 for the Peugeot 306 2.0 HDI 110 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 Peugeot 306?

Stage 2 on the Peugeot 306 2.0 HDI 110 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

Which ECUs are found on the Peugeot 306 2.0 HDI 110 hp?

The Peugeot 306 2.0 HDI 110 hp was fitted with different ECUs depending on the year and trim: Bosch EDC15C2, Bosch EDC15C7. The write method (OBD, Bench, Boot) is determined when the unit is read.

What happens to the Peugeot 306 warranty after chip tuning?

The factory warranty of the Peugeot 306 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 Peugeot 306 take?

On the Peugeot 306 2.0 HDI 110 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 Peugeot 306?

Yes, the original ECU firmware of the Peugeot 306 2.0 HDI 110 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 Peugeot 306?

Stage 1 for the Peugeot 306 2.0 HDI 110 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: 01.09.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno