Renault Trafic III 1.6d - 95 HP
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The Renault Trafic III with a 1.6 dCi 95 HP engine and Bosch EDC17C84 controller is a popular choice among commercial vehicles.
It is a reliable car for everyday work, but when fully loaded it often loses its dynamics and flexibility.
In the case of this unit, used on a daily basis for installing installations and transporting heavier equipment, we performed a Stage 1 modification – adapted to real operating conditions.
Effect of ECU modification
After individually tuning the maps in the EDC17C84 controller, we obtained:
| Parameter | In series | After modification | Increase |
|---|---|---|---|
| Power (hp) | 95 hp | 134 hp | +35 hp |
| Torque (Nm) | 271 Nm | 344 Nm | +73 Nm |
The increase in low- and mid-range torque provides a noticeably better driving experience in everyday driving – especially when starting uphill, carrying a load and maneuvering around town.
With this modification:
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🚚 Driving under load has become smoother and more comfortable,
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⚙️ The car has gained significantly better flexibility and response to gas,
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🧭 Navigating the route and in city traffic has become easier,
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🔧 The engine maintains full thermal safety and component durability.
We prepare each Stage 1 file based on log analysis and Dynomax / Dynomet dynamometer data, making the modification safe and predictable – especially important for fleet and delivery vehicles.
Technical description
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Model: Renault Trafic III 1.6 dCi
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Controller: Bosch EDC17C84
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Operating mode: OBD
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Scope: Stage 1 – optimization of torque, boost pressure and fuel doses
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Completion time: approx. 40 minutes
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Measurement: Dynomax / Dynomet dynamometers
Each modification is created based on professional chip tuning files , matched to the HW/SW number of the vehicle – without "universal" settings.
Why Stage 1 is the best choice for commercial vehicles
In work cars, what counts is durability, torque and economy – not maximum power.
Therefore, tuning this type of units is always a safe optimization , not an aggressive increase in parameters.
The result is a more enjoyable drive, lower fuel consumption and less strain on the driver during daily work.
Summary
✅ Renault Trafic III 1.6 dCi (EDC17C84)
✅ Modification: Stage 1 – 134 HP / 344 Nm
✅ Gain: +35 HP / +73 Nm
✅ Completion time: 30–40 minutes
✅ Measurement: Dynomax / Dynomet dynamometers
✅ Individual Stage 1 file based chip tuning files
✅ Increased flexibility and comfort while maintaining durability
