The 4.0-liter petrol engine Jeep ERH or AMC 242 was produced from 1986 to 2006 and was practically installed in all off-road models of the brand, such as Wrangler, Cherokee, and Grand Cherokee. Until 1991, the engine was equipped with the RENIX fuel injection system, and then switched to its own Mopar system. The AMC series also includes the EPE engine.
| Exact capacity | 3964 cm³ |
| Power system | injector |
| Engine power | 175 - 195 HP |
| Torque | 300 - 320 nm |
| Engine block | cast iron R6 |
| Block head | cast iron 12v |
| Cylinder diameter | 98.4 mm |
| Piston stroke. | 86.7 mm |
| Compression ratio | 8.6 - 8.7 |
| Engine features | OHV |
| Hydraulic compensator. | tak |
| Timing drive | chain |
| Timing phase adjuster | there is no |
| Turbocharging | there is no |
| What oils to use | 5.7 liters 5W-30 |
| Fuel type | 92 |
| Environmental class | EURO 2/3 |
| Approximate life expectancy | 450 000 HP |
| City | 19.0 litry |
| Route | 11.5 litry |
| Mixed | 15.2 litry |
The weight of the ERH engine assembly is 225 kg. The engine number is located at the junction of the block and the cylinder head. The engine has high reliability and durability, but fuel consumption is quite high. From 1999 to 2001, there was a defect in the cylinder head, it cracked around the 3rd or 4th cylinder. Many have encountered cracks in the exhaust manifold due to sagging support. On high mileage, the rear crankshaft seal often leaks, and its replacement is expensive. Weak points of this engine also include the fuel pump and the electric fan relay.
| Cherokee 2 (XJ) | 1987 - 2001 |
| Comanche 1 (MJ) | 1987 - 1992 |
| Grand Cherokee 1 (ZJ) | 1992 - 1998 |
| Grand Cherokee 2 (WJ) | 1998 - 2004 |
| Wrangler 1 (YJ) | 1991 - 1995 |
| Wrangler 2 (TJ) | 1996 - 2006 |
The 3.0-liter V6 Jeep EHD engine is produced by an American company since 2014 and is installed in the large SUV Grand Cherokee in the WK2 version in certain markets. This power unit is also used in Chinese versions of the Wrangler off-road vehicle or the 300C sedan. Other engines in the Pentastar series include: EHB, ERB, and ERC.
The 4.7-liter V8 engine Jeep EVС or PowerTech High Output was produced from 2002-2008 and installed in the Grand Cherokee SUV, as well as briefly in the Ram and Dakota pickups. This engine not only had more power but also featured a knock sensor. The PowerTech series also includes the engines: EKG, EVA, and EVE.
The 4.7-liter V8 gasoline engine Jeep EVE was produced by the company from 2008 to 2013 and installed in high-performance versions of models such as Grand Cherokee, Commander, Aspen. This engine was characterized by an electronic throttle body and new cylinder heads with two spark plugs per cylinder. The PowerTech series also includes the following power units: EKG, EVA, and EVC.
The 2.4-liter Audi BDV 2.4 V6 fuel-injected engine was produced by the company from 2001 to 2005 and installed only in two, but very popular models of the company at that time: A4 [B6] (/engines/mazda/engine/B6) and A6 C5. This powertrain is practically an environmentally improved version of the APS or ARJ engine. The EA835 series also includes the following engines: - [ALF] (/engines/audi/engine/ALF), - [ABC] (/engines/audi/engine/ABC), - [AAH] (/engines/audi/engine/AAH), - [ACK] (/engines/audi/engine/ACK), - [ALG] (/engines/audi/engine/ALG), - [ASN] (/engines/audi/engine/ASN), and - [BBJ] (/engines/audi/engine/BBJ).
The 1.3-liter 4-cylinder engine Geely MR479Q was produced in China from 1998 to 2016 and installed in many local models, but it is known to us only from the LC Cross hatchback. This power unit is a clone of the Toyota 8A-FE engine and was used in Lifan under the index LF479Q3. Another clone of the Toyota A series engine is: MR479QA.