The 1.6-liter Ford IQDB or 1.6 Duratec Ti VCT 105ps engine was assembled from 2010 to 2019 and installed on the third generation of the Focus model and the C-Max compact van based on it. This power unit essentially differs from its 125-horsepower counterpart only in firmware.
Duratec Ti-VCT family:
1.5 L – UEJB;
1.6 L – IQJA, HXJA, HXDA, SIDA, XTDA, IQDB, PNDA, KGBA, PNBA.
Specifications
| Production years | 2010-2019 |
| Displacement, cc | 1596 |
| Fuel system | distributed injection |
| Power output, hp | 105 |
| Torque output, Nm | 150 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 79 |
| Piston stroke, mm | 81.4 |
| Compression ratio | 11.0 |
| Features | no |
| Hydraulic lifters | no |
| Timing drive | belt |
| Phase regulator | Ti-VCT |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 4.05 |
| Fuel type | petrol |
| Euro standards | EURO 5/6 |
| Fuel consumption, L/100 km (for Ford Focus 2016) — city — highway — combined |
8.3 4.6 5.9 |
| Engine lifespan, km | ~330 000 |
| Weight, kg | 91 |
The engine was installed on:
- Ford C-Max Mk2 in 2010 – 2014;
- Ford Focus Mk3 in 2010 – 2019.
Disadvantages of the IQDB engine
- The main problem of the engine is dragging catalyst crumbs into the combustion chamber;
- Next come the failures of the components of the ignition system, they do not like bad fuel;
- On specialized forums, they complain about leaks from under the valve cover or the rear crankshaft oil seal;
- Every 100 thousand km you need to adjust the valves, there are no hydraulic lifters here;
- A small resource here also has a gasoline pump and a belt of mounted units.
Frequently asked questions about the Ford IQDB
How much power does the Ford IQDB make?
The Ford IQDB develops 105 hp and 150 Nm of torque.
How much oil does the Ford IQDB take and which one?
Engine oil capacity: 4.05 liters. Recommended oil: 5W-30.
Does the Ford IQDB have a timing belt or chain?
The Ford IQDB uses a timing belt.
Is the Ford IQDB turbocharged?
No, the Ford IQDB is naturally aspirated.
Does the Ford IQDB 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 IQDB last?
The typical lifespan of the Ford IQDB is ~330 000 km with proper maintenance.
What is the fuel consumption of the Ford IQDB?
Ford Focus 2016: city 8.3, highway 4.6, combined 5.9 L/100 km.
What cars was the Ford IQDB installed on?
Ford C-Max Mk2 in 2010 - 2014; Ford Focus Mk3 in 2010 - 2019.
What are the common problems of the Ford IQDB?
The main problem of the engine is dragging catalyst crumbs into the combustion chamber. Next come the failures of the components of the ignition system, they do not like bad fuel. All known problems.
