The 2.0-liter Mazda FS-DE engine was produced at the company’s factories from 1997 to 2004 and was installed on such popular models as Premacy, Protege, Capella, Familia, 323 or 626. In the US market, they offered a turbo version of this engine with 170 hp with index FS-DET.
F-engine family: F6, FP, FP-DE, F8, FE, FE-DE, FE3N, FS, FS-DE, FS-ZE, F2.
Specifications
| Production years | 1997-2004 |
| Displacement, cc | 1991 |
| Fuel system | distributed injection |
| Power output, hp | 115 – 140 |
| Torque output, Nm | 170 – 185 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 83 |
| Piston stroke, mm | 92 |
| Compression ratio | 9.1 – 9.7 |
| Features | DOHC |
| Hydraulic lifters | no |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 3.5 |
| Fuel type | petrol |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for Mazda 626 1998) — city — highway — combined |
10.8 6.5 8.0 |
| Engine lifespan, km | ~450 000 |
| Weight, kg | 137.5 |
The engine was installed on:
- Mazda 323 BJ in 2000 – 2003;
- Mazda 626 GF in 1997 – 2002;
- Mazda Capella GF in 1997 – 2002, Capella GW in 1997 – 2002;
- Mazda Familia BJ in 2000 – 2004;
- Mazda MPV LW in 1999 – 2002;
- Mazda Premacy CP in 1999 – 2004;
- Mazda Protege BJ in 2000 – 2003;
- Kia Carens 1 (RS) in 1999 – 2006.
Disadvantages of the Mazda FS-DE engine
- This motor is famous for its simplicity and reliability, and also has a good resource;
- Don’t let the engine overheat, the head drives quickly, and a new one is expensive;
- After 150,000 km of run, the power units of this series often consume oil;
- The timing belt is replaced every 60,000 km, but when it breaks, the valves do not bend;
- There are no hydraulic lifters and valve clearances need to be adjusted every 100,000 km.
Frequently asked questions about the Mazda FS-DE
How much power does the Mazda FS-DE make?
The Mazda FS-DE develops 115 - 140 hp and 170 - 185 Nm of torque.
How much oil does the Mazda FS-DE take and which one?
Engine oil capacity: 3.5 liters. Recommended oil: 5W-30.
Does the Mazda FS-DE have a timing belt or chain?
The Mazda FS-DE uses a timing belt.
Is the Mazda FS-DE turbocharged?
No, the Mazda FS-DE is naturally aspirated.
Does the Mazda FS-DE need valve clearance adjustment?
Yes, there are no hydraulic lifters, so the valve clearances have to be checked and adjusted periodically.
How long does the Mazda FS-DE last?
The typical lifespan of the Mazda FS-DE is ~450 000 km with proper maintenance.
What is the fuel consumption of the Mazda FS-DE?
Mazda 626 1998: city 10.8, highway 6.5, combined 8.0 L/100 km.
What cars was the Mazda FS-DE installed on?
Mazda 323 BJ in 2000 - 2003; Mazda 626 GF in 1997 - 2002; Mazda Capella GF in 1997 - 2002, Capella GW in 1997 - 2002; Mazda Familia BJ in 2000 - 2004; Mazda MPV LW in 1999 - 2002; Mazda Premacy CP in 1999 - 2004 and 2 more (see the full list above).
What are the common problems of the Mazda FS-DE?
This motor is famous for its simplicity and reliability, and also has a good resource. Don't let the engine overheat, the head drives quickly, and a new one is expensive. All known problems.





