The 1.8-liter Ford EYDB engine or Focus 1 1.8 Zetec was produced from 1998 to 2004 and was installed only on the first generation of the very popular Focus model in all its bodies. The same power unit on the Mondeo was known under a slightly different RKF or RKH index.
1.8 L Zetec family: RDA, RDB, RKA, RQC, RKB, RKC, RKF, RKH, EYDB, EYDC.
Specifications
| Production years | 1998-2004 |
| Displacement, cc | 1796 |
| Fuel system | injector |
| Power output, hp | 115 |
| Torque output, Nm | 160 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 80.6 |
| Piston stroke, mm | 88 |
| Compression ratio | 10.0 |
| Features | DOHC |
| Hydraulic lifters | no |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.3 |
| Fuel type | petrol |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for Ford Focus 2002) — city — highway — combined |
12.6 7.1 9.1 |
| Engine lifespan, km | ~320 000 |
| Weight, kg | 140 |
The engine was installed on:
- Ford Focus Mk1 in 1998 – 2004.
Disadvantages of the EYDB engine
- Motors of the Zetec series are very reliable, but do not like low-quality gasoline;
- Quite often here you have to change the spark plugs, sometimes every 10,000 km;
- From low-quality fuel, an expensive gasoline pump regularly fails;
- In the European version of Zetec engines, when the timing belt breaks, the valve always bends;
- On the first firmware of the motor, power dropped sharply with the inclusion of air conditioning.
Frequently asked questions about the Ford EYDB
How much power does the Ford EYDB make?
The Ford EYDB develops 115 hp and 160 Nm of torque.
How much oil does the Ford EYDB take and which one?
Engine oil capacity: 4.3 liters. Recommended oil: 5W-30.
Does the Ford EYDB have a timing belt or chain?
The Ford EYDB uses a timing belt.
Is the Ford EYDB turbocharged?
No, the Ford EYDB is naturally aspirated.
Does the Ford EYDB 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 Ford EYDB last?
The typical lifespan of the Ford EYDB is ~320 000 km with proper maintenance.
What is the fuel consumption of the Ford EYDB?
Ford Focus 2002: city 12.6, highway 7.1, combined 9.1 L/100 km.
What cars was the Ford EYDB installed on?
Ford Focus Mk1 in 1998 - 2004.
What are the common problems of the Ford EYDB?
Motors of the Zetec series are very reliable, but do not like low-quality gasoline. Quite often here you have to change the spark plugs, sometimes every 10,000 km. All known problems.
