Fiat Grande Punto 1.3 Mjet 85 hp — Stage 1 file (+20 hp)
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Stage 1 file for Fiat Grande Punto 1.3 Mjet 85 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Fiat Grande Punto 1.3 Mjet 85 hp ECU
Fiat Grande Punto (2005) 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 2005 — the era of classic Common Rail without strong encryption.
MultiAir is Fiat's own valve-control technology. Low-output Fiat diesels are city units, and Stage 1 is safe on them.
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 Grande Punto 1.3 Mjet 85 hp?
Stage 1 chip tuning on the Fiat Grande Punto 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 Grande Punto ECU after Stage 1?
Stage 1 chip tuning of the Fiat Grande Punto is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +20 hp with no hardware changes.
What does chip tuning give on the low-output Fiat Grande Punto 1.3 Mjet 85 hp?
Yes, Stage 1 on the low-output Fiat Grande Punto 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.
How much does Stage 2 add on the Fiat Grande Punto?
Stage 2 for the Fiat Grande Punto 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 ECUs are found on the Fiat Grande Punto 1.3 Mjet 85 hp?
The Fiat Grande Punto 1.3 Mjet 85 hp was fitted with different ECUs depending on the year and trim: Marelli MJD8, Marelli MJD8DMF, Marelli MJD8F2, Marelli MJD8F3, Marelli MJD9DF. The write method (OBD, Bench, Boot) is determined when the unit is read.
What happens to the Fiat Grande Punto warranty after chip tuning?
The factory warranty of the Fiat Grande Punto 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 Grande Punto take?
On the Fiat Grande Punto 1.3 Mjet 85 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 Grande Punto?
Yes, the original ECU firmware of the Fiat Grande Punto 1.3 Mjet 85 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 Grande Punto?
Stage 1 for the Fiat Grande Punto 1.3 Mjet 85 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.