Engine Peugeot EW7A

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.

Engines of the EW family: EW7J4, EW7A, EW10J4, EW10D, EW10A, EW12J4.

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.


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
Engine lifespan, km ~300 000
Weight, kg 130

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.

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