The 1.8-liter Peugeot EW7J4 or 6FZ engine was produced from 2000 to 2008 in France and was installed on a number of popular mid-size models of the concern, such as 406 and 407. Around 2006, this power unit began to be replaced by an updated EW7A engine.
EW family: EW7J4, EW7A, EW10J4, EW10D, EW10A, EW12J4.
Specifications
| Production years | 2000-2008 |
| Displacement, cc | 1749 |
| Fuel system | injector |
| Power output, hp | 117 |
| Torque output, Nm | 160 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 82.7 |
| Piston stroke, mm | 81.4 |
| 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 407 2005) — city — highway — combined |
10.5 6.0 7.7 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 130 |
The engine was installed on:
- Peugeot 406 I (D8/D9) in 2001 – 2004;
- Peugeot 407 I (D2) in 2004 – 2006;
- Citroen C5 I (X3/X4) in 2004 – 2008;
- Citroen Xsara Picasso I (N68) in 2000 – 2005.
Disadvantages of the EW7J4 engine
- Most of the problems of the power unit are somehow related to lubricant leaks;
- Oil likes to ooze from under the valve cover, leak from the breather, or just burn out;
- In second place are frequent failures of ignition system components, especially coils;
- The culprit of the floating engine speed is contamination of the throttle or idle speed controller;
- After 100,000 km, engine mounts and hydraulic lifters often require replacement.
Frequently asked questions about the Peugeot EW7J4
How much power does the Peugeot EW7J4 make?
The Peugeot EW7J4 develops 117 hp and 160 Nm of torque.
How much oil does the Peugeot EW7J4 take and which one?
Engine oil capacity: 4.25 liters. Recommended oil: 5W-40.
Does the Peugeot EW7J4 have a timing belt or chain?
The Peugeot EW7J4 uses a timing belt.
Is the Peugeot EW7J4 turbocharged?
No, the Peugeot EW7J4 is naturally aspirated.
Does the Peugeot EW7J4 need valve clearance adjustment?
No, the Peugeot EW7J4 has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Peugeot EW7J4 last?
The typical lifespan of the Peugeot EW7J4 is ~250 000 km with proper maintenance.
What is the fuel consumption of the Peugeot EW7J4?
Peugeot 407 2005: city 10.5, highway 6.0, combined 7.7 L/100 km.
What cars was the Peugeot EW7J4 installed on?
Peugeot 406 I (D8/D9) in 2001 - 2004; Peugeot 407 I (D2) in 2004 - 2006; Citroen C5 I (X3/X4) in 2004 - 2008; Citroen Xsara Picasso I (N68) in 2000 - 2005.
What are the common problems of the Peugeot EW7J4?
Most of the problems of the power unit are somehow related to lubricant leaks. Oil likes to ooze from under the valve cover, leak from the breather, or just burn out. All known problems.
-je veux avoir le catalogue pour toutes les références des pièces mécaniques pour mon moteur 406 essence 2002 4.8l 16v double arbre a cames 8B 6FZ EW7J4 .
EN OUTRE je veux avoir est ce que je peut utiliser le demis moteur du moteur ew10j4 a la place du demis moteur ew7j4 ?.
je ne trouve pas le bloc cylindre de ma 406 cela m’a désespéré.