The 2.6-liter Mitsubishi 4G54 or G54B gasoline engine was produced from 1978 to 1992 and was installed on the Pajero SUV, L200 pickup truck and a number of Chrysler cars. After the end of production in Japan, the motor was assembled by Chinese companies for quite some time.
Specifications
| Production years | 1978-1992 |
| Displacement, cc | 2555 |
| Fuel system | carburetor (4G54 carburetor) injector (4G54B ECI-multi) injector (4G54T ECI-Turbo) |
| Power output, hp | 103 – 114 (4G54 carburetor) 131 – 137 (4G54B ECI-multi) 175 (4G54T ECI-Turbo) |
| Torque output, Nm | 188 – 198 (4G54 carburetor) 212 – 220 (4G54B ECI-multi) 314 (4G54T ECI-Turbo) |
| Cylinder block | cast iron R4 |
| Block head | aluminum 8v |
| Cylinder bore, mm | 91.1 |
| Piston stroke, mm | 98 |
| Compression ratio | 8.4 – 8.8 (4G54 carburetor) 9.2 (4G54B ECI-multi) 7.0 (4G54T ECI-Turbo) |
| Features | no |
| Hydraulic lifters | no (4G54 carburetor) as an option (4G54B ECI-multi) no (4G54T ECI-Turbo) |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | no (4G54 carburetor) no (4G54B ECI-multi) TD05-12A (4G54T ECI-Turbo) |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 4.9 |
| Fuel type | petrol |
| Euro standards | EURO 1 (4G54 carburetor) EURO 2 (4G54B ECI-multi) EURO 2 (4G54T ECI-Turbo) |
| Fuel consumption, L/100 km (for Mitsubishi Pajero 1985) — city — highway — combined |
15.7 10.2 12.9 |
| Engine lifespan, km | ~450 000 |
| Weight, kg | 200 |
The engine was installed on:
- Mitsubishi Debonair A30 in 1978 – 1986;
- Mitsubishi Starion A180 in 1982 – 1989;
- Mitsubishi Pajero L040 in 1982 – 1991, Pajero V30 in 1991 – 1992;
- Chrysler LeBaron in 1982 – 1985;
- Chrysler New Yorker in 1983 – 1985;
- Chrysler Sigma in 1980 – 1987;
- Chrysler Town & Country in 1982 – 1985;
- Dodge Caravan in 1984 – 1987;
- Dodge Challenger 2 in 1978 – 1983;
- Mitsubishi Fuso Canter 4 in 1978 – 1985;
- Mitsubishi Magna 1 (TM) in 1985 – 1991, Magna 2 (TR) in 1991 – 1996.
Disadvantages of the Mitsubishi 4G54 engine
- This engine is very reliable and has an impressive resource;
- However, due to its rarity, you will certainly have problems with service and spare parts;
- Many modifications are equipped with a Mikuni carburetor that needs to be serviced;
- On a run of more than 200 – 250 thousand km, it may require the intervention of a timing chain;
- Most versions do not have hydraulic lifters and clearances will have to be adjusted.
Frequently asked questions about the Mitsubishi 4G54
How much power does the Mitsubishi 4G54 make?
Power output of the Mitsubishi 4G54, hp: 103 - 114 (4G54 carburetor); 131 - 137 (4G54B ECI-multi); 175 (4G54T ECI-Turbo). Torque, Nm: 188 - 198 (4G54 carburetor); 212 - 220 (4G54B ECI-multi); 314 (4G54T ECI-Turbo).
How much oil does the Mitsubishi 4G54 take and which one?
Engine oil capacity: 4.9 liters. Recommended oil: 5W-40.
Does the Mitsubishi 4G54 have a timing belt or chain?
The Mitsubishi 4G54 uses a timing chain.
Is the Mitsubishi 4G54 turbocharged?
Yes, the Mitsubishi 4G54 is turbocharged (no (4G54 carburetor); no (4G54B ECI-multi); TD05-12A (4G54T ECI-Turbo)).
How long does the Mitsubishi 4G54 last?
The typical lifespan of the Mitsubishi 4G54 is ~450 000 km with proper maintenance.
What is the fuel consumption of the Mitsubishi 4G54?
Mitsubishi Pajero 1985: city 15.7, highway 10.2, combined 12.9 L/100 km.
What cars was the Mitsubishi 4G54 installed on?
Mitsubishi Debonair A30 in 1978 - 1986; Mitsubishi Starion A180 in 1982 - 1989; Mitsubishi Pajero L040 in 1982 - 1991, Pajero V30 in 1991 - 1992; Chrysler LeBaron in 1982 - 1985; Chrysler New Yorker in 1983 - 1985; Chrysler Sigma in 1980 - 1987 and 5 more (see the full list above).
What are the common problems of the Mitsubishi 4G54?
This engine is very reliable and has an impressive resource. However, due to its rarity, you will certainly have problems with service and spare parts. All known problems.
