The 2.2-liter Peugeot EW12J4 or 3FZ engine was produced from 1999 to 2009 in France and was installed on popular mid-size concern models such as 406, 407, 607 or 807. There was a modification of this engine with a higher compression ratio EW12E4 or 3FY.
Engines of the EW family: EW7J4, EW7A, EW10J4, EW10D, EW10A, EW12J4.
The engine was installed on:
- Citroen C8 I (V3) in 2002 – 2005;
- Peugeot 406 I (D8/D9) in 2001 – 2004;
- Peugeot 407 I (D2) in 2003 – 2009;
- Peugeot 607 I (Z8/Z9) in 1999 – 2008;
- Peugeot 807 I (V2) in 2002 – 2005.
Specifications
| Production years | 1999-2009 |
| Displacement, cc | 2231 |
| Fuel system | injector |
| Power output, hp | 158 – 163 |
| Torque output, Nm | 215 – 220 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 86 |
| Piston stroke, mm | 96 |
| Compression ratio | 10.8 – 11.0 |
| Features | no |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | at the intake |
| Turbocharging | no |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 5.0 |
| Fuel type | petrol |
| Euro standards | EURO 3/4 |
| Fuel consumption, L/100 km (for Peugeot 607 2002) — city — highway — combined |
12.5 7.2 9.1 |
| Engine lifespan, km | ~275 000 |
| Weight, kg | 150 |
Disadvantages of the EW12J4 engine
- This engine is structurally complex due to the use of two balancer shafts;
- Most often, owners complain about oil leaks from oil seals and valve covers;
- In second place are problems with the ignition system, as well as sensor glitches;
- At 50,000 km, the phase regulator may knock, at 100,000 km hydraulic lifters;
- The power unit is quite noisy, especially at idle.
