Ford Fiesta 1.1i 85 hp — Stage 1 file (+10 hp)

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Chip tuning for Ford Fiesta 1.1i 85 hp ECU

Ford Fiesta (2017) 1.1i 85 hp — mass-market petrol engine of the passenger segment of the Ford Motor Company group (США, 1903). Stage 1 chip tuning raises power from 85 to 95 hp (+10 hp, +12%) and torque from 110 to 125 Nm (+15 Nm). ECU — Bosch ME17.0.3. Flashing method: OBD or Bench depending on the unit's protection. The 2017 generation — mid-generation petrol ECUs (MEDC17/MEVD17/Simos PCR), OBD flash on production revisions.

Ford is an American carmaker, founded in 1903 by Henry Ford. Ford shares some ECUs with Mazda (a Visteon legacy). The F-Series (F-150) is the best-selling pickup in the US. EcoBoost is Ford's proprietary turbo petrol engine range. Low-output Ford petrol engines are naturally aspirated city units. Ford ST and RS are performance sub-brands (Focus ST/RS, Fiesta ST, Mustang Mach 1).

Cobb Tuning and SCT Tuning are the leading tuning brands for Ford in the US. The US Ford community has a large pool of ready-made Stage files for EcoBoost and V8 engines. The EcoBoost 2.0/2.3 (Focus ST, Mustang EcoBoost) is a popular tuning subject. Low-output Fords are naturally aspirated city cars, and Stage 1 is safe.

Frequently asked questions

How much does the power of the Ford Fiesta 1.1i 85 hp increase after Stage 1?

After Stage 1 the power of the Ford Fiesta 1.1i 85 hp rises from 85 to 95 hp, a gain of 10 hp (+12%). Torque rises from 110 to 125 Nm (+15 Nm).

How does Stage 1 differ from stock on the Ford Fiesta?

Stage 1 is a software optimization of the factory ECU firmware of the Ford Fiesta with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +10 hp with no hardware changes.

Is Stage 1 worth doing on the base Ford Fiesta?

Stage 1 on the base Ford Fiesta is safe — the factory calibration of low-output engines leaves headroom for software optimization. The gain is modest, but engine life is not affected.

What is Stage 2 for the Ford Fiesta 1.1i 85 hp?

Stage 2 on the Ford Fiesta 1.1i 85 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

What ECU platform does the Ford Fiesta 1.1i 85 hp use?

The Ford Fiesta 1.1i 85 hp is fitted with the Bosch ME17.0.3 ECU. The read method depends on the unit's protection: OBD, Bench via BDM, or Boot mode.

Does the factory warranty of the Ford Fiesta remain valid after Stage 1?

After remapping the Ford Fiesta, the official factory warranty on the engine and gearbox is lost (this applies to any manufacturer when the ECU is modified). CHIPOK guarantees the quality of the calibration and free revisions.

How long is the wait for a Stage 1 remap for the Ford Fiesta?

Reading and writing via OBD takes 25-30 minutes on the Ford Fiesta. Bench reading (BDM/JTAG) takes about 60 minutes plus refitting. Remote file processing at CHIPOK takes 5-30 minutes.

How do you roll back to the factory firmware of the Ford Fiesta?

Before Stage 1 the original of the Ford Fiesta 1.1i 85 hp is read out and saved — returning to the factory state is possible at any time.

How much does chip tuning the Ford Fiesta 1.1i 85 hp cost?

The remap price for the Ford Fiesta 1.1i 85 hp is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.

Last updated: 30.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno