Opel Zafira 1.9 CDTi Stage 1 Remap
On Opel Zafira 1.9 CDTi diesel engines a Stage 1 remap recalibrates the fuel quantity, injection timing, boost pressure and torque limiter maps. No hardware is changed and the original software is backed up. The same engine is sold with different stock outputs across generations, so the gain depends on your version.
It depends on the generation and the stock output. 1.9 CDTi engines with 100–150 bhp reach 150–190 bhp with a Stage 1 remap; the largest gain is +50 bhp (B 1.9 CDTi 100hp). Pick your version in the table below.
Opel Zafira 1.9 CDTi: Stage 1 figures by generation and year
Year / chassis: (B) - 2005 - 2011
| Engine | Power | Torque | Gain |
|---|---|---|---|
| Opel Zafira 1.9 CDTi 100hp | 100 → 150 bhp | 260 → 360 Nm | +50 bhp |
| Opel Zafira 1.9 CDTi 120hp | 120 → 150 bhp | 280 → 360 Nm | +30 bhp |
| Opel Zafira 1.9 CDTi 150hp | 150 → 190 bhp | 320 → 400 Nm | +40 bhp |
Where can this be done near you?
GP Power ECU applies the software at its workshop in Hukou, Hsinchu, using EcuPrime-developed files; workshops can also order the file directly.
About the Fiat / Alfa Romeo / Opel 1.9 JTD / JTDM / CDTi
The 1.9 JTD is the four-cylinder common-rail diesel used throughout the 2000s in the Fiat Stilo, Bravo, Doblo, Alfa Romeo 147, 156, 159, GT, Opel Astra, Vectra, Zafira and Saab 9-3, in 8- and 16-valve forms from 100 to 150 hp.
How a Stage 1 remap works on the Opel Zafira 1.9 CDTi
Stage 1 recalibrates rail pressure, injection and boost. With its durable block the engine responds well; the mid-range torque gain is clear. On 16-valve versions the condition of the swirl flaps affects the result.
Pre-remap checklist
- Swirl flap mechanism on 16-valve versions.
- EGR valve cleanliness.
- Boost leaks and variable-geometry vanes.
- Dual-mass flywheel and clutch.
This section is based on GP Power ECU workshop experience; the power and torque figures come from the catalogue measurement above.