The 2.2-liter Ford Q4BA or 2.2 TDCi Duratorq DW engine was produced from 2008 to 2010 and was installed only on the top trim levels of the fourth Mondeo in the pre-facelift version. The unit is inherently a type of French diesel engine DW12BTED4.
2.2 TDCi Duratorq DW family: Q4BA, KNBA, Q4WA, KNWA.
Specifications
| Production years | 2008-2010 |
| Displacement, cc | 2179 |
| Fuel system | Common Rail |
| Power output, hp | 175 |
| Torque output, Nm | 400 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 85 |
| Piston stroke, mm | 96 |
| Compression ratio | 16.6 |
| Features | intercooler |
| Hydraulic lifters | yes |
| Timing drive | belt and chain |
| Phase regulator | no |
| Turbocharging | Bi-Turbo |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.9 |
| Fuel type | diesel |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Ford Mondeo 2009) — city — highway — combined |
8.4 4.9 6.2 |
| Engine lifespan, km | ~375 000 |
| Weight, kg | 215 |
The engine was installed on:
- Ford Mondeo Mk4 in 2008 – 2010.
Disadvantages of the Q4BA engine
- This diesel engine is considered reliable, but very difficult to maintain and repair;
- A modern fuel system with piezo injectors does not tolerate low-quality fuel;
- In addition, to dismantle the nozzles, equipment is required to drill them out;
- A lot of problems for owners are caused by a capricious Bi-Turbo system;
- The remaining breakdowns are associated with contamination of the EGR valve and particulate filter.
Frequently asked questions about the Ford Q4BA
How much power does the Ford Q4BA make?
The Ford Q4BA develops 175 hp and 400 Nm of torque.
How much oil does the Ford Q4BA take and which one?
Engine oil capacity: 5.9 liters. Recommended oil: 5W-30.
Does the Ford Q4BA have a timing belt or chain?
Timing drive of the Ford Q4BA: belt and chain.
Is the Ford Q4BA turbocharged?
Yes, the Ford Q4BA is turbocharged (Bi-Turbo).
Does the Ford Q4BA need valve clearance adjustment?
No, the Ford Q4BA has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Ford Q4BA last?
The typical lifespan of the Ford Q4BA is ~375 000 km with proper maintenance.
What is the fuel consumption of the Ford Q4BA?
Ford Mondeo 2009: city 8.4, highway 4.9, combined 6.2 L/100 km.
What cars was the Ford Q4BA installed on?
Ford Mondeo Mk4 in 2008 - 2010.
What are the common problems of the Ford Q4BA?
This diesel engine is considered reliable, but very difficult to maintain and repair. A modern fuel system with piezo injectors does not tolerate low-quality fuel. All known problems.
What engines are related to the Ford Q4BA?
2.2 TDCi Duratorq DW family: KNWA.
