Chrysler’s 2.5-liter ENJ or 2.5 CRD diesel engine was produced from 2000 to 2007 and installed on the Voyager RS minivan or the KJ Cherokee / Liberty SUV. This diesel engine manufactured by the Italian company VM Motori is also known as the R425 DOHC.
VM Motori family: ENC, ENJ, ENS, ENR, EXF, EXJ, EXN, EXA.
Specifications
| Production years | 2000-2007 |
| Displacement, cc | 2499 |
| Fuel system | Common Rail |
| Power output, hp | 141 |
| Torque output, Nm | 340 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 92 |
| Piston stroke, mm | 94 |
| Compression ratio | 17.5 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | IHI RHF4H |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 6.0 |
| Fuel type | diesel |
| Euro standards | EURO 3 |
| Fuel consumption, L/100 km (for Chrysler Voyager 2003) — city — highway — combined |
9.9 6.4 7.7 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 240 |
The engine was installed on:
- Chrysler Voyager 4 (RG) in 2000 – 2007;
- Jeep Cherokee 3 (KJ) in 2001 – 2007.
Disadvantages of the ENJ engine
- The diesel engine is equipped with a reliable Bosch injection pump, but the control valve often fails;
- Also, nozzles are not the highest resource, sprayers fly into them;
- The timing belt runs about 150,000 km, and when it breaks, it usually only breaks the rocker;
- Due to the destruction of the membrane in the crankcase ventilation valve, the flow meter often becomes dirty and fails;
- Other weak points include a thermostat, a booster pump and a crankshaft sensor.
Frequently asked questions about the Chrysler ENJ
How much power does the Chrysler ENJ make?
The Chrysler ENJ develops 141 hp and 340 Nm of torque.
How much oil does the Chrysler ENJ take and which one?
Engine oil capacity: 6.0 liters. Recommended oil: 5W-30.
Does the Chrysler ENJ have a timing belt or chain?
The Chrysler ENJ uses a timing belt.
Is the Chrysler ENJ turbocharged?
Yes, the Chrysler ENJ is turbocharged (IHI RHF4H).
Does the Chrysler ENJ need valve clearance adjustment?
No, the Chrysler ENJ has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Chrysler ENJ last?
The typical lifespan of the Chrysler ENJ is ~300 000 km with proper maintenance.
What is the fuel consumption of the Chrysler ENJ?
Chrysler Voyager 2003: city 9.9, highway 6.4, combined 7.7 L/100 km.
What cars was the Chrysler ENJ installed on?
Chrysler Voyager 4 (RG) in 2000 - 2007; Jeep Cherokee 3 (KJ) in 2001 - 2007.
What are the common problems of the Chrysler ENJ?
The diesel engine is equipped with a reliable Bosch injection pump, but the control valve often fails. Also, nozzles are not the highest resource, sprayers fly into them. All known problems.





