The 3.0-liter V6 diesel Porsche MCW.JA was produced from 2013 to 2015 for the facelifted first-generation Panamera Diesel, sold only in Europe. With 300 hp and 650 Nm it is the most powerful single-turbo engine of the EA897 family.
Porsche diesel family: M05.9E, MCT.BA, MCR.CC, MCU.DB, M05.9D, MCD.UD, MCR.CA, MCT.BB, MCT.BC, MCV.VA, MCW.JA, MDB.UC, MCU.DC.
Specifications
| Production years | 2013-2015 |
| Displacement, cc | 2967 |
| Fuel system | Common Rail |
| Power output, hp | 300 |
| Torque output, Nm | 650 |
| Cylinder block | cast iron V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 83 |
| Piston stroke, mm | 91.4 |
| Compression ratio | 16.8 |
| Features | 2 x DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | Garrett GTB2260VZK |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 7.3 |
| Fuel type | diesel |
| Euro standards | EURO 5 |
| Fuel consumption, L/100 km (for Porsche Panamera 2014) — city — highway — combined |
8.2 5.7 6.7 |
| Engine lifespan, km | ~320 000 |
| Weight, kg | 195 |
The engine was installed on:
- Porsche Panamera 1 (970) in 2013 – 2015.
Disadvantages of the Porsche MCW.JA engine
- A reliable diesel, but the fuel system with piezo injectors is demanding on fuel quality;
- The most common complaints are oil leaks from gaskets and seals and coolant leaks from the heat exchanger in the V of the block;
- By about 200,000 km the timing chains may stretch, and replacing them is expensive;
- The complex exhaust after-treatment system often throws errors.
Frequently asked questions about the Porsche MCW.JA
How much power does the Porsche MCW.JA make?
The Porsche MCW.JA develops 300 hp and 650 Nm of torque.
How much oil does the Porsche MCW.JA take and which one?
Engine oil capacity: 7.3 liters. Recommended oil: 5W-30.
Does the Porsche MCW.JA have a timing belt or chain?
The Porsche MCW.JA uses a timing chain.
Is the Porsche MCW.JA turbocharged?
Yes, the Porsche MCW.JA is turbocharged (Garrett GTB2260VZK).
Does the Porsche MCW.JA need valve clearance adjustment?
No, the Porsche MCW.JA has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Porsche MCW.JA last?
The typical lifespan of the Porsche MCW.JA is ~320 000 km with proper maintenance.
What is the fuel consumption of the Porsche MCW.JA?
Porsche Panamera 2014: city 8.2, highway 5.7, combined 6.7 L/100 km.
What cars was the Porsche MCW.JA installed on?
Porsche Panamera 1 (970) in 2013 - 2015.
What are the common problems of the Porsche MCW.JA?
A reliable diesel, but the fuel system with piezo injectors is demanding on fuel quality. The most common complaints are oil leaks from gaskets and seals and coolant leaks from the heat exchanger in the V of the block. All known problems.





