Your Vehicle
Vauxhall Astra 1.7 DTI 16v 75hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Stage 1: file 122 € online, installation quoted by the workshop Ask for a quote
Power HP
Torque Nm
Stage 1 for this engine: quote first, then the file online
The file costs 122 € online; the installation depends on how your ECU is worked on and the workshop confirms it. Ask for a quote: you receive the price and the link to buy the file. · terms
Power Graph
Vauxhall Astra 1.7 DTI 16v 75hp: da 75 a 104HP
Remapping Vauxhall Astra
MasterTuning develops remapping for Vauxhall. La Vauxhall Astra 1.7 DTI 16v 75hp può passare da 75 HP a 104 HP con un incremento di 29 HP.
The development of each remap is customized by MasterTuning.
- 100% customised files with lifetime warranty
- Reference values for Stage 1: the file is developed on your vehicle and checked in the workshop
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details Vauxhall Astra 1.7 DTI 16v 75hp
The Vauxhall Astra 1.7 DTI 16v 75hp is equipped with a diesel engine that produces 75 HP and 165 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Vauxhall can achieve 104 HP (+39%) and 214 Nm (+30%).
Our Stage 1 tuning for the Astra (G) - 1998 - 2004 delivers an impressive gain of +29 HP and +49 Nm, optimizing the diesel engine's performance while maintaining reliability and staying within safe parameters.
The engine code Y17DTH identifies this specific powerplant configuration. The Delphi DTI17 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
As a diesel engine, this Vauxhall responds exceptionally well to ECU tuning. Owners typically report improved throttle response, smoother power delivery, and in many cases, better fuel efficiency under normal driving conditions.
Technical Specifications — Vauxhall Astra 1.7 DTI 16v 75hp
Factory technical data for the Vauxhall Astra 1.7 DTI 16v 75hp ((G) - 1998 - 2004), used by MasterTuning engineers to develop a remap tailored to this specific powerplant. Figures shown are reference values for Stage 1; the file is developed on your vehicle and checked in the workshop.
| Engine code | Y17DTH |
|---|---|
| ECU / Control unit | Delphi DTI17 |
| Fuel | Diesel |
| Bore × stroke | 79.0 X 86.0 mm |
| Stock power | 75 HP · 165 Nm |
| Remapped power (Stage 1) | 104 HP (+29) · 214 Nm (+49) |
Don't want to touch the ECU?
Rapid Dimsport add-on modules connect to the engine sensors with original connectors: they fit in a few hours and come off without a trace, leaving the factory software untouched. Useful on a leased car, one still under warranty or one you plan to sell soon. Check which ones fit your Vauxhall Astra.
Frequently Asked Questions - Vauxhall Astra
How much power can I gain from remapping my Vauxhall Astra?
With MasterTuning Stage 1, your Vauxhall Astra 1.7 DTI 16v 75hp can gain +29 HP (from 75 to 104 HP) and +49 Nm of torque. This represents a 39% increase in power.
Which ECU does the Vauxhall Astra 1.7 DTI 16v 75hp use?
The Vauxhall Astra 1.7 DTI 16v 75hp uses the Delphi DTI17 engine control unit. MasterTuning recalibrates this ECU for Stage 1 and Stage 2.
What is the engine code of the Vauxhall Astra 1.7 DTI 16v 75hp?
The engine code of the Vauxhall Astra 1.7 DTI 16v 75hp is Y17DTH. You can find it in the vehicle documents or on the engine plate.
Is ECU remapping safe for the Vauxhall Astra engine?
Yes, MasterTuning's remapping for the Vauxhall Astra 1.7 DTI 16v 75hp is developed within safe parameters. Each file is developed on your vehicle, checked in the workshop and stays within the mechanical limits of the Y17DTH engine.
Is the Vauxhall ECU remapping reversible?
Absolutely. The original factory calibration of your Vauxhall Astra is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Vauxhall warranty?
ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.
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