The 1.4-liter Mazda Y4 or 1.4 CiTD diesel engine was produced from 2003 to 2009 and was installed on the first and second generations of the popular compact model under the index 2. This unit exists in one version of the Y404 and is a variation of the Peugeot 1.4 HDi engine.
MZ-CD family: Y4, Y6.
Specifications
| Production years | 2003-2009 |
| Displacement, cc | 1399 |
| Fuel system | Common Rail |
| Power output, hp | 68 |
| Torque output, Nm | 160 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 8v |
| Cylinder bore, mm | 73.7 |
| Piston stroke, mm | 82 |
| Compression ratio | 17.9 |
| Features | SOHC |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | BorgWarner KP35 |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 3.75 |
| Fuel type | diesel |
| Euro standards | EURO 3/4 |
| Fuel consumption, L/100 km (for Mazda 2 2008) — city — highway — combined |
5.1 3.5 4.1 |
| Engine lifespan, km | ~300 000 |
The engine was installed on:
Disadvantages of the Y4 1.4 CiTD engine
- Despite the modest displacement, this is a quite resourceful diesel engine;
- The Siemens fuel system is reliable, but very afraid of airing;
- Also, the PCV and VCV control valves on the high pressure fuel pump often fail here;
- Carefully monitor the condition of the timing belt, or if it breaks, the valves will bend;
- Other weak points of the engine include the crankcase ventilation membrane and the crankshaft damper pulley.
Frequently asked questions about the Mazda Y4 1.4 CiTD
How much power does the Mazda Y4 1.4 CiTD make?
The Mazda Y4 1.4 CiTD develops 68 hp and 160 Nm of torque.
How much oil does the Mazda Y4 1.4 CiTD take and which one?
Engine oil capacity: 3.75 liters. Recommended oil: 5W-30.
Does the Mazda Y4 1.4 CiTD have a timing belt or chain?
The Mazda Y4 1.4 CiTD uses a timing belt.
Is the Mazda Y4 1.4 CiTD turbocharged?
Yes, the Mazda Y4 1.4 CiTD is turbocharged (BorgWarner KP35).
Does the Mazda Y4 1.4 CiTD need valve clearance adjustment?
No, the Mazda Y4 1.4 CiTD has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Mazda Y4 1.4 CiTD last?
The typical lifespan of the Mazda Y4 1.4 CiTD is ~300 000 km with proper maintenance.
What is the fuel consumption of the Mazda Y4 1.4 CiTD?
Mazda 2 2008: city 5.1, highway 3.5, combined 4.1 L/100 km.
What cars was the Mazda Y4 1.4 CiTD installed on?
Mazda 2 DY in 2003 - 2007, 2 DE in 2007 - 2009.
What are the common problems of the Mazda Y4 1.4 CiTD?
Despite the modest displacement, this is a quite resourceful diesel engine. The Siemens fuel system is reliable, but very afraid of airing. All known problems.





