Your Vehicle
Seat Leon 1.2 TSI 86hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Stage 1: file 100 € 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 100 € 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
Seat Leon 1.2 TSI 86hp: da 86 a 140HP
Remapping Seat Leon
MasterTuning develops remapping for Seat. La Seat Leon 1.2 TSI 86hp può passare da 86 HP a 140 HP con un incremento di 54 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 Seat Leon 1.2 TSI 86hp
The Seat Leon 1.2 TSI 86hp is equipped with a petrol engine that produces 86 HP and 160 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Seat can achieve 140 HP (+63%) and 225 Nm (+41%).
Our Stage 1 tuning for the Leon 1P - 2005 - 2012 delivers an impressive gain of +54 HP and +65 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code CJZB identifies this specific powerplant configuration.
The Leon's petrol engine benefits significantly from professional ECU calibration. The result is a more responsive, enjoyable driving experience with improved power delivery throughout the rev range.
Technical Specifications — Seat Leon 1.2 TSI 86hp
Factory technical data for the Seat Leon 1.2 TSI 86hp (1P - 2005 - 2012), 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 | CJZB |
|---|---|
| Fuel | Petrol |
| Compression ratio | 10.0 |
| Bore × stroke | 71.0 X 75.6 mm |
| Stock power | 86 HP · 160 Nm |
| Remapped power (Stage 1) | 140 HP (+54) · 225 Nm (+65) |
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 Seat Leon.
Frequently Asked Questions - Seat Leon
How much power can I gain from remapping my Seat Leon?
With MasterTuning Stage 1, your Seat Leon 1.2 TSI 86hp can gain +54 HP (from 86 to 140 HP) and +65 Nm of torque. This represents a 63% increase in power.
What is the engine code of the Seat Leon 1.2 TSI 86hp?
The engine code of the Seat Leon 1.2 TSI 86hp is CJZB. You can find it in the vehicle documents or on the engine plate.
Is ECU remapping safe for the Seat Leon engine?
Yes, MasterTuning's remapping for the Seat Leon 1.2 TSI 86hp is developed within safe parameters. Each file is developed on your vehicle, checked in the workshop and stays within the mechanical limits of the CJZB engine.
Is the Seat ECU remapping reversible?
Absolutely. The original factory calibration of your Seat Leon is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Seat 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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