The 2.0-liter Peugeot EW10J4 or RFN engine was produced by the company from 1999 to 2010 and was installed on many popular models of the concern, such as 206, 307, 406, 407, 806 and 807. There was a forced version of the unit for 180 hp / 200 Nm with the index EW10J4S or RFK.
EW family: EW7J4, EW7A, EW10J4, EW10D, EW10A, EW12J4.
Specifications
| Production years | 1999-2010 |
| Displacement, cc | 1997 |
| Fuel system | injector |
| Power output, hp | 136 |
| Torque output, Nm | 190 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 85 |
| Piston stroke, mm | 88 |
| Compression ratio | 10.8 |
| Features | no |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 4.25 |
| Fuel type | petrol |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for Peugeot 406 2002) — city — highway — combined |
11.5 6.5 8.3 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 135 |
The engine was installed on:
- Peugeot 206 I (T1) in 1999 – 2004;
- Peugeot 307 I (T5/T6) in 2001 – 2005;
- Peugeot 406 I (D8/D9) in 1999 – 2004;
- Peugeot 407 I (D2) in 2004 – 2006;
- Peugeot 806 I (U60) in 1999 – 2002;
- Peugeot 807 I (V2) in 2002 – 2005;
- Citroen Xsara I (N6/N7) in 1999 – 2003;
- Citroen Xsara Picasso I (N68) in 2003 – 2007;
- Citroen C4 I (B51) in 2004 – 2005;
- Citroen C5 I (X3/X4) in 2000 – 2005.
Disadvantages of the EW10J4 engine
- Most often, owners of cars with this power unit complain about oil waste;
- Also, grease often oozes from under the valve cover or it presses from the breather;
- Next in frequency are failures of ignition system components, especially coils;
- Contaminated throttle and idle control causes floating engine speed;
- The cause of strong engine vibrations is usually the strong wear of its pillows.
Frequently asked questions about the Peugeot EW10J4
How much power does the Peugeot EW10J4 make?
The Peugeot EW10J4 develops 136 hp and 190 Nm of torque.
How much oil does the Peugeot EW10J4 take and which one?
Engine oil capacity: 4.25 liters. Recommended oil: 5W-40.
Does the Peugeot EW10J4 have a timing belt or chain?
The Peugeot EW10J4 uses a timing belt.
Is the Peugeot EW10J4 turbocharged?
No, the Peugeot EW10J4 is naturally aspirated.
Does the Peugeot EW10J4 need valve clearance adjustment?
No, the Peugeot EW10J4 has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Peugeot EW10J4 last?
The typical lifespan of the Peugeot EW10J4 is ~300 000 km with proper maintenance.
What is the fuel consumption of the Peugeot EW10J4?
Peugeot 406 2002: city 11.5, highway 6.5, combined 8.3 L/100 km.
What cars was the Peugeot EW10J4 installed on?
Peugeot 206 I (T1) in 1999 - 2004; Peugeot 307 I (T5/T6) in 2001 - 2005; Peugeot 406 I (D8/D9) in 1999 - 2004; Peugeot 407 I (D2) in 2004 - 2006; Peugeot 806 I (U60) in 1999 - 2002; Peugeot 807 I (V2) in 2002 - 2005 and 4 more (see the full list above).
What are the common problems of the Peugeot EW10J4?
Most often, owners of cars with this power unit complain about oil waste. Also, grease often oozes from under the valve cover or it presses from the breather. All known problems.






had it for 300.000 km. Top engine