Ford Fiesta 1.3i 70 hp — Stage 1 file (+3 hp)

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Chip tuning for Ford Fiesta 1.3i 70 hp ECU

Ford Fiesta (2003) 1.3i 70 hp — mass-market petrol engine of the passenger segment of the Ford Motor Company group (США, 1903). Stage 1 chip tuning raises power from 70 to 73 hp (+3 hp, +4%) and torque from 106 to 109 Nm (+3 Nm). This engine ships with different ECU variants: Siemens/Continental SIM21, Siemens/Continental SIM24. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 2 configurations · 2 ECU variants. The 2003 generation — old-era petrol ECUs (ME7/ME9/MED9/Simos) with easily readable memory.

Ford Motor Company includes Lincoln as its premium sub-brand. Ford pioneered mass assembly-line car production. Ford is an American carmaker, founded in 1903 by Henry Ford. Ford ST and RS are performance sub-brands (Focus ST/RS, Fiesta ST, Mustang Mach 1). The Coyote V8 is the flagship engine of the Ford Mustang GT. EcoBoost is Ford's proprietary turbo petrol engine range.

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

What power gain do you get after chip tuning the Ford Fiesta 1.3i 70 hp?

The Stage 1 gain for the Ford Fiesta 1.3i 70 hp is 3 hp (+4%) over the stock 70 hp, for a total of 73 hp. Torque rises from 106 to 109 Nm (+3 Nm).

What is Stage 1 chip tuning for 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 +3 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 1.3i 70 hp?

Stage 2 on the Ford Fiesta 1.3i 70 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

Which control units is the Ford Fiesta 1.3i 70 hp built with?

The Ford Fiesta 1.3i 70 hp comes with 2 ECU variants: Siemens/Continental SIM21, Siemens/Continental SIM24. Calibration is done for the specific unit after the revision is identified.

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 1.3i 70 hp is read out and saved — returning to the factory state is possible at any time.

How much does chip tuning the Ford Fiesta 1.3i 70 hp cost?

The remap price for the Ford Fiesta 1.3i 70 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