Engine Mitsubishi 4G54

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.

The 4G5 family includes engines: 4G52 and 4G53.

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.

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 92
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

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.

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