Only the third and fourth generations of the Corsa model or the original Agila were equipped with the 1.0-liter Opel Z10XEP or LJ4 engine, which was manufactured in Austria between 2003 and 2009. A proprietary system for altering the Twinport intake tract’s geometry set the motor apart.
The Z10XE, Z12XE, Z12XEP, Z14XE, and Z14XEP engines are also part of the Z10 series.
The engine pulls better at the bottom because of a proprietary system for altering the intake tract’s geometry called Twinport, which closes half of the intake valves. The motor operates at maximum speed when the flaps open at high rpm. regulates the Bosch ME7.6.1/ME7.6.2 ECU’s motor.
The engine was mounted on:
- Opel Agila A (H00) in 2003 – 2007;
- Opel Corsa C (X01) in 2003 – 2006;
- Opel Corsa D (S07) in 2006 – 2009.
Specifications
| Production years | 2003-2009 |
| Displacement, cc | 998 |
| Fuel system | distributed injection |
| Power output, hp | 60 |
| Torque output, Nm | 88 |
| Cylinder block | cast iron R3 |
| Block head | aluminum 12v |
| Cylinder bore, mm | 73.4 |
| Piston stroke, mm | 78.6 |
| Compression ratio | 10.5 |
| Features | Twinport |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 3.0 |
| Fuel type | petrol |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Opel Corsa 2008) — city — highway — combined |
7.3 4.6 5.6 |
| Engine lifespan, km | ~240 000 |
| Weight, kg | 85 |
Disadvantages of the Z10XEP engine
The Twinport system’s dampers are frequently seized and the EGR valve is overgrown with carbon; owners frequently contact the service to replace the thermostat and oil pump; most electrical issues are caused by weak wiring and ECUs; low resources and the timing chain may need to be replaced up to 150,000 kilometers; the source of an oil leak is typically a pressure sensor, and only replacement will help.