The 1.8-liter 16-valve Peugeot EW7A or 6FY engine was produced from 2006 to 2010 and was installed on some popular models of the automaker, and especially the Peugeot 407. This power unit is essentially a modernization of the EW7J4 engine for EURO 4 environmental standards.
EW family: EW7J4, EW7A, EW10J4, EW10D, EW10A, EW12J4.
Specifications
| Production years | 2006-2010 |
| Displacement, cc | 1749 |
| Fuel system | injector |
| Power output, hp | 125 |
| Torque output, Nm | 170 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 82.7 |
| Piston stroke, mm | 81.4 |
| Compression ratio | 11.0 |
| Features | no |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | at the intake |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.0 |
| Fuel type | petrol |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Peugeot 407 2009) — city — highway — combined |
10.5 6.0 7.7 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 130 |
The engine was installed on:
- Peugeot 407 I (D2) in 2006 – 2010;
- Citroen C4 Picasso I (B58) in 2006 – 2008;
- Citroen C5 II (X7) in 2008 – 2010.
Disadvantages of the EW7A engine
- A good reliability engine does not tolerate bad fuel or oil;
- The first here is usually the injectors, then the candles, and after them the ignition coils;
- Dirty throttle or idle control leads to floating engine speed;
- From poor-quality lubrication, hydraulic lifters start knocking relatively quickly;
- And the oil here loves to ooze from under the valve covers, as well as the crankshaft oil seal.
Frequently asked questions about the Peugeot EW7A
How much power does the Peugeot EW7A make?
The Peugeot EW7A develops 125 hp and 170 Nm of torque.
How much oil does the Peugeot EW7A take and which one?
Engine oil capacity: 5.0 liters. Recommended oil: 5W-30.
Does the Peugeot EW7A have a timing belt or chain?
The Peugeot EW7A uses a timing belt.
Is the Peugeot EW7A turbocharged?
No, the Peugeot EW7A is naturally aspirated.
Does the Peugeot EW7A need valve clearance adjustment?
No, the Peugeot EW7A has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Peugeot EW7A last?
The typical lifespan of the Peugeot EW7A is ~300 000 km with proper maintenance.
What is the fuel consumption of the Peugeot EW7A?
Peugeot 407 2009: city 10.5, highway 6.0, combined 7.7 L/100 km.
What cars was the Peugeot EW7A installed on?
Peugeot 407 I (D2) in 2006 - 2010; Citroen C4 Picasso I (B58) in 2006 - 2008; Citroen C5 II (X7) in 2008 - 2010.
What are the common problems of the Peugeot EW7A?
A good reliability engine does not tolerate bad fuel or oil. The first here is usually the injectors, then the candles, and after them the ignition coils. All known problems.
