The 1.8-liter Mitsubishi 4G93 engine was produced by a Japanese company from 1991 to 2014 and was installed not only on many of its models, but also on Volvo, Proton or Brilliance cars. The motor was offered in a version with a carburetor, injector, direct injection and turbocharging.
4G9 family: 4G91, 4G92, 4G93, 4G94.
Specifications
| Production years | 1991-2014 |
| Displacement, cc | 1834 |
| Fuel system | carburetor (carburetor SOHC) injector (MPI SOHC) injector (MPI DOHC) injector (MPI DOHC TURBO) direct injection (GDI DOHC) direct injection (GDI DOHC TURBO) |
| Power output, hp | 110 (carburetor SOHC) 120 (MPI SOHC) 140 (MPI DOHC) 195 – 215 (MPI DOHC TURBO) 120 – 150 (GDI DOHC) 160 – 165 (GDI DOHC TURBO) |
| Torque output, Nm | 154 (carburetor SOHC) 159 (MPI SOHC) 167 (MPI DOHC) 270 – 285 (MPI DOHC TURBO) 175 – 180 (GDI DOHC) 220 (GDI DOHC TURBO) |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 81 |
| Piston stroke, mm | 89 |
| Compression ratio | 8.5 (carburetor SOHC) 9.5 (MPI SOHC) 10.5 (MPI DOHC) 8.5 (MPI DOHC TURBO) 12.0 (GDI DOHC) 10.0 (GDI DOHC TURBO) |
| Features | no |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no (carburetor SOHC) no (MPI SOHC) no (MPI DOHC) yes (MPI DOHC TURBO) no (GDI DOHC) yes (GDI DOHC TURBO) |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 3.5-3.6 |
| Fuel type | petrol |
| Euro standards | EURO 1 (carburetor SOHC) EURO 2/3 (MPI SOHC) EURO 3 (MPI DOHC) EURO 3 (MPI DOHC TURBO) EURO 4 (GDI DOHC) EURO 4 (GDI DOHC TURBO) |
| Fuel consumption, L/100 km (for Mitsubishi Galant 1995) — city — highway — combined |
9.7 5.7 7.4 |
| Engine lifespan, km | ~350 000 |
| Weight, kg | 145 |
The engine was installed on:
- Mitsubishi Carisma DA in 1995 – 2004;
- Mitsubishi Colt CA in 1992 – 1996;
- Mitsubishi Galant E50 in 1992 – 1996, Galant EA in 1996 – 2006;
- Mitsubishi Lancer CB in 1991 – 1996, Lancer CK in 1995 – 2003, Lancer CS in 2000 – 2007;
- Mitsubishi Pajero Pinin H67 in 1998 – 2007;
- Mitsubishi Space Wagon N30 in 1991 – 1998;
- Mitsubishi Space Star DG0 in 1998 – 2005;
- Volvo S40 in 1998 – 2004, V40 in 1998 – 2004;
- Proton Wira in 1993 – 2009;
- Proton Putra in 1996 – 2004;
- Brilliance BS4 in 2006 – 2014;
- Brilliance BS6 in 2000 – 2010;
- Dodge Colt in 1993 – 1994;
- Eagle Summit 2 in 1993 – 1996.
Disadvantages of the Mitsubishi 4G93 engine
- GDi modifications are known for the frequent vagaries of the direct fuel injection system;
- The problem of all versions of the motor is the rapid failure of hydraulic lifters;
- When the idle speed controller is dirty, the engine starts to stall on its own;
- On runs of more than 150 thousand km, an oil burn usually begins due to the occurrence of rings;
- If you miss the oil level, then the likelihood of the liners turning is very high.
Frequently asked questions about the Mitsubishi 4G93
How much power does the Mitsubishi 4G93 make?
Power output of the Mitsubishi 4G93, hp: 110 (carburetor SOHC); 120 (MPI SOHC); 140 (MPI DOHC); 195 - 215 (MPI DOHC TURBO); 120 - 150 (GDI DOHC); 160 - 165 (GDI DOHC TURBO). Torque, Nm: 154 (carburetor SOHC); 159 (MPI SOHC); 167 (MPI DOHC); 270 - 285 (MPI DOHC TURBO); 175 - 180 (GDI DOHC); 220 (GDI DOHC TURBO).
How much oil does the Mitsubishi 4G93 take and which one?
Engine oil capacity: 3.5-3.6 liters. Recommended oil: 5W-30.
Does the Mitsubishi 4G93 have a timing belt or chain?
The Mitsubishi 4G93 uses a timing belt.
Is the Mitsubishi 4G93 turbocharged?
Yes, the Mitsubishi 4G93 is turbocharged (no (carburetor SOHC); no (MPI SOHC); no (MPI DOHC); yes (MPI DOHC TURBO); no (GDI DOHC); yes (GDI DOHC TURBO)).
Does the Mitsubishi 4G93 need valve clearance adjustment?
No, the Mitsubishi 4G93 has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Mitsubishi 4G93 last?
The typical lifespan of the Mitsubishi 4G93 is ~350 000 km with proper maintenance.
What is the fuel consumption of the Mitsubishi 4G93?
Mitsubishi Galant 1995: city 9.7, highway 5.7, combined 7.4 L/100 km.
What cars was the Mitsubishi 4G93 installed on?
Mitsubishi Carisma DA in 1995 - 2004; Mitsubishi Colt CA in 1992 - 1996; Mitsubishi Galant E50 in 1992 - 1996, Galant EA in 1996 - 2006; Mitsubishi Lancer CB in 1991 - 1996, Lancer CK in 1995 - 2003, Lancer CS in 2000 - 2007; Mitsubishi Pajero Pinin H67 in 1998 - 2007; Mitsubishi Space Wagon N30 in 1991 - 1998 and 8 more (see the full list above).
What are the common problems of the Mitsubishi 4G93?
GDi modifications are known for the frequent vagaries of the direct fuel injection system. The problem of all versions of the motor is the rapid failure of hydraulic lifters. All known problems.
