Peugeot 406 2.0 16S 138 hp — Stage 1 file (+4 hp)
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Stage 1 file for Peugeot 406 2.0 16S 138 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Peugeot 406 2.0 16S 138 hp ECU
Peugeot 406 (1995) 2.0 16S 138 hp — mass-market petrol engine of the passenger segment of the Stellantis group (Франция, 1810). Stage 1 chip tuning raises power from 138 to 142 hp (+4 hp, +3%) and torque from 190 to 200 Nm (+10 Nm). ECU — Marelli IAW48P2. Flashing method: OBD or Bench depending on the unit's protection. A petrol engine built in 1995 — the era before widespread firmware encryption, OBD flash without complications.
Peugeot is part of the Stellantis group (formerly PSA). The Peugeot logo, a lion, has been the brand's traditional symbol since the 1850s. Peugeot Sport is the performance division that builds GTi models and track-focused variants. The Peugeot Sport GTi models are sporty variants powered by turbo engines. PureTech is Peugeot's signature designation for its petrol turbo engines. On Peugeot turbo petrol engines, Stage 1 delivers a noticeable gain.
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 petrol engines, Stage 1 delivers a noticeable gain. The French Citroen community has a large pool of ready-made Stage files. Mid-range Citroen engines are a mainstream chip tuning subject in Europe.
Frequently asked questions
How much does the power of the Peugeot 406 2.0 16S 138 hp increase after Stage 1?
Stage 1 chip tuning on the Peugeot 406 2.0 16S 138 hp boosts engine output by 4 hp: from 138 to 142 hp. Torque rises from 190 to 200 Nm (+10 Nm).
What changes in the Peugeot 406 ECU after Stage 1?
Stage 1 chip tuning of the Peugeot 406 is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +4 hp with no hardware changes.
Can you do Stage 1 on the Peugeot 406 2.0 16S 138 hp?
Yes, Stage 1 for the Peugeot 406 2.0 16S 138 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 406?
Stage 2 for the Peugeot 406 2.0 16S 138 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 ECU is fitted to the Peugeot 406 2.0 16S 138 hp?
The Peugeot 406 2.0 16S 138 hp ECU is the Marelli IAW48P2. Production versions support OBD access; locked variants require Bench (BDM/JTAG).
What happens to the Peugeot 406 warranty after chip tuning?
The factory warranty of the Peugeot 406 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 406 take?
On the Peugeot 406 2.0 16S 138 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 406?
Yes, the original ECU firmware of the Peugeot 406 2.0 16S 138 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 406?
Stage 1 for the Peugeot 406 2.0 16S 138 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.