The 2.5-liter 4-cylinder Jeep ENC diesel engine was produced from 1991 to 2001 and was installed on Cherokee and Grand Cherokee SUVs, as well as Voyager and Caravan minivans. This diesel engine developed by the Italian company VM Motori is also known as 425 OHV.
VM Motori family: ENC, ENJ, ENS, ENR, EXF, EXJ, EXN, EXA.
Specifications
| Production years | 1991-2001 |
| Displacement, cc | 2499 |
| Fuel system | prechamber |
| Power output, hp | 112 – 118 |
| Torque output, Nm | 260 – 280 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 8v |
| Cylinder bore, mm | 92 |
| Piston stroke, mm | 94 |
| Compression ratio | 21 |
| Features | OHV |
| Hydraulic lifters | yes |
| Timing drive | chain/gear |
| Phase regulator | no |
| Turbocharging | IHI VA59A – VA63A |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 6.8 |
| Fuel type | diesel |
| Euro standards | EURO 1 |
| Fuel consumption, L/100 km (for Jeep Grand Cherokee 1995) — city — highway — combined |
14.2 8.6 10.3 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 250 |
The engine was installed on:
- Chrysler Voyager 2 (ES) in 1991 – 1995, Voyager 3 (GS) in 1995 – 2000;
- Dodge Caravan 2 (ES) in 1991 – 1995;
- Dodge Dakota 2 (DN) in 1998 – 2001;
- Jeep Cherokee 2 (XJ) in 1993 – 2001;
- Jeep Grand Cherokee 1 (ZJ) in 1993 – 1998.
Disadvantages of the ENC engine
- This diesel has separate cylinder heads and they often crack;
- In addition, they need to be stretched periodically or serious lubricant leaks will appear;
- The turbine is distinguished by low reliability, sometimes it drives oil even up to 100,000 km;
- The hoses leading to the turbine and intercooler are often frayed, but they are not cheap;
- Still on the forum they complain about noise and vibrations at work.
Frequently asked questions about the Jeep ENC
How much power does the Jeep ENC make?
The Jeep ENC develops 112 - 118 hp and 260 - 280 Nm of torque.
How much oil does the Jeep ENC take and which one?
Engine oil capacity: 6.8 liters. Recommended oil: 5W-30.
Does the Jeep ENC have a timing belt or chain?
Timing drive of the Jeep ENC: chain/gear.
Is the Jeep ENC turbocharged?
Yes, the Jeep ENC is turbocharged (IHI VA59A - VA63A).
Does the Jeep ENC need valve clearance adjustment?
No, the Jeep ENC has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Jeep ENC last?
The typical lifespan of the Jeep ENC is ~250 000 km with proper maintenance.
What is the fuel consumption of the Jeep ENC?
Jeep Grand Cherokee 1995: city 14.2, highway 8.6, combined 10.3 L/100 km.
What cars was the Jeep ENC installed on?
Chrysler Voyager 2 (ES) in 1991 - 1995, Voyager 3 (GS) in 1995 - 2000; Dodge Caravan 2 (ES) in 1991 - 1995; Dodge Dakota 2 (DN) in 1998 - 2001; Jeep Cherokee 2 (XJ) in 1993 - 2001; Jeep Grand Cherokee 1 (ZJ) in 1993 - 1998.
What are the common problems of the Jeep ENC?
This diesel has separate cylinder heads and they often crack. In addition, they need to be stretched periodically or serious lubricant leaks will appear. All known problems.
