Monday, July 1, 2013

Mitsubishi 4G6-GDI,4G9-SOHC and MPI engine service manual

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Workshop manual, repair manual and service manual for Mitsubishi 4G6-GDI engine and MPI. It contains information on special tools, motor assembly, timing belt, ... This manual is written in Spanish.

The Mitsubishi 4G9 engine is a series of straight-4 automobile engines produced by Mitsubishi Motors. All are 16-valve, and use both single- and double- overhead camshaft heads. Some feature MIVEC variable valve timing, and it was the first modern gasoline direct injection engine upon its introduction in August 1996.
4G91
The 4G91 uses a 78.4 mm bore and 77.5 mm stroke for a total displacement of 1.5 L (1,496 cubic centimetres). With a 9.5:1 compression ratio and DOHC, four-valve-per-cylinder head and multi-point EFI, this engine produces 115 PS (85 kW) at 6,000 rpm and 135 N·m (100 ft·lbf) at 5,000 rpm. The 4G91 was a short-lived model, mainly built between 1991 and 1995 and rarely seen in export markets. There was also a carbureted model, with 97 PS (71 kW) at 6,000 rpm and 126 N·m (93 ft·lbf) at 3,500 rpm.
Applications

  • Mitsubishi Lancer
  • Mitsubishi Mirage
4G92
The 4G92 displaces 1.6 L (1,597 cc). First appeared in late 1991 Japanese spec Mirage RS and Super R in DOHC form, it is basically bored out to 81 mm and tuned version of the 4G91 producing 145 hp (108 kW). Later was introduced fuel-efficient SOHC version. But 4G92 is best known of its high-performance MIVEC equipped DOHC version, which fully replaced "ordinary" DOHC in 1993. Power output raised as high as 172 hp (128 kW), as found in the Mirage Cyborg-ZR and JDM ’92 Lancer MR, making it one of the most powerful 1.6 litre naturally aspirated engines. A modular displacement (MD) version of the 4G92 MIVEC was also produced – MD is Mitsubishi's cylinder deactivation system which helps improve fuel consumption.
4G92P SOHC 16 Valve
  • Total Displacement - 1,597 cc
  • Bore - 81.0 mm
  • Stroke - 77.5 mm
  • Compression Ratio - 10:1
  • Maximum Output (1) - 83 kW (113 PS; 111 bhp) at 6,000 rpm, and 137 N·m (101 ft·lbf) at 5,000 rpm
  • Maximum Output (2) - 69 kW (94 PS; 93 bhp) at 5,500 rpm, and 135 N·m (100 ft·lbf) at 4,000 rpm
    • (1): Early European and JDM versions with 20°/42° intake and 54°/2° exhaust valve timing
    • (2): General export and later European versions with 14°/58° intake and 52°/16° exhaust valve timing
4G92 DOHC 16 Valve
  • Total Displacement - 1,597 cc
  • Bore - 81.0 mm
  • Stroke - 77.5 mm
  • Compression Ratio - 11:1
  • Maximum Output - 108 kW (147 PS; 145 bhp) at 7,000 rpm
  • Maximum Torque - 149 N·m (110 ft·lbf) at 4,500 rpm
4G92-MIVEC DOHC 16 Valve
  • Total Displacement - 1,597 cc
  • Bore - 81.0 mm
  • Stroke - 77.5 mm
  • Compression Ratio - 11:1
  • Maximum Output - 128 kW (174 PS; 172 bhp) at 7,500 rpm
  • Maximum Torque - 167 N·m (123 ft·lbf) at 7,000 rpm
Applications
  • Mitsubishi Lancer
  • Mitsubishi Mirage
  • Proton Satria
  • Proton Wira
  • Mitsubishi Carisma
4G93
The 4G93 is a 1.8L (1834 cc) engine available in both SOHC and DOHC versions. Turbocharged variants are also produced. In mid 1996 Mitsubishi released a gasoline direct injection (GDI) version of the 4G93. This GDI model saw a production of over a million units, and was the first of the modern GDI engines.
4G93 SOHC 16 Valve MPI
  • Multi-Point Injection (MPI)
  • Total Displacement - 1834cc
  • Bore - 81.0mm
  • Stroke - 89.0mm
  • Compression Ratio - 9.5:1
  • Maximum Output - 88 kW-113 bhp
  • Maximum Torque - 159Nm-116 ft/lbs
4G93 SOHC 16 Valve Carburetor
  • Carburetor
  • Total Displacement - 1834cc
  • Bore - 81.0mm
  • Stroke - 89.0mm
  • Compression Ratio - 9.5:1
  • Maximum Output - 81 kW (110 PS; 109 bhp)
  • Maximum Torque - 154 N·m (114 ft·lbf)
4G93 DOHC 16 Valve MPI
  • Multi-Point Injection (MPI)
  • Total Displacement - 1834cc
  • Bore - 81.0mm
  • Stroke - 89.0mm
  • Compression Ratio - 10.5:1
  • Maximum Output - 103 kW (140 PS; 138 bhp) @ 6,500 rpm
  • Maximum Torque - 167 N·m (123 ft·lbf) @ 5500 rpm
4G93T DOHC 16 Valve Turbo
  • Multi-Point Injection (MPI) with TD04 turbocharger
  • Total Displacement - 1834cc
  • Bore - 81.0mm
  • Stroke - 89.0mm
  • Compression Ratio - 8.5:1 (Upgraded to 9.1:1 in 1994)
  • Maximum Output - 143 kW (194 PS; 192 bhp) @ 6,000 rpm (Upgraded to 151 kW (205 PS; 202 bhp) in 1994, and again to 158 kW (215 PS; 212 bhp) in 1995)
  • Maximum Torque - 270 N·m (200 ft·lbf) @ 3,000 rpm (Upgraded to 275 N·m (203 ft·lbf) in 1994, and again to 284 N·m (209 ft·lbf) in 1995)
4G93 DOHC 16 Valve GDI
  • Gasoline Direct Injection (GDI)
  • Total Displacement - 1834cc
  • Bore - 81.0mm
  • Stroke - 89.0mm
  • Compression Ratio - 12.0:1
  • Maximum Output - 96 kW (131 PS; 129 bhp) @ 5,500 rpm / 96 kW (131 PS; 129 bhp) @ 6,000 rpm / 110 kW (150 PS; 148 bhp) @ 6,500 rpm
  • Maximum Torque - 181 N·m (133 ft·lbf) @ 3,500 rpm / 177 N·m (131 ft·lbf) @ 3,750 rpm / 178 N·m (131 ft·lbf) @ 5,000 rpm
4G93 DOHC 16 Valve GDI Turbo
  • Gasoline Direct Injection (GDI) with turbocharger
  • Total Displacement - 1834cc
  • Bore - 81.0mm
  • Stroke - 89.0mm
  • Compression Ratio - 10.0:1
  • Maximum Output - 118 kW (160 PS; 158 bhp) @ 5,200 rpm / 121 kW (165 PS; 162 bhp) @ 5,500 rpm
  • Maximum Torque - 220 N·m (160 ft·lbf) @ 3,500 rpm / 220 N·m (160 ft·lbf) @ 3,500 rpm
Applications
  • Mitsubishi Space Wagon
  • Mitsubishi Space Star
  • Mitsubishi Carisma
  • Mitsubishi Lancer
  • Mitsubishi Mirage
4G94
The 4G94 is a 2.0 L (1,999 cc) version built in Japan, used in the Mitsubishi Lancer. It has a cast iron engine block with MPFI (fuel injection) and an aluminum SOHC cylinder head with forged steel connecting rods and four valves per cylinder.
4G94 SOHC 16 Valve MPI
  • Multi-Point Injection (MPI)
  • Total Displacement - 1999cc
  • Bore - 81.5mm
  • Stroke - 95.8mm
  • Compression Ratio - 9.5:1
  • Maximum Output - 92 kW (125 PS; 123 bhp) @ 5,200 rpm
  • Maximum Torque - 176 N·m (130 ft·lbf) @ 4,250 rpm
The 4G94 Also comes in the GDI DOHC variant which can be found in the Mitsubishi Galant.
4G94 DOHC 16 Valve GDI
  • Gasoline Direct Injection (GDI)
  • Bore - 81.5
  • Stroke - 95.8
  • Compression Ratio: 11.0
  • Maximum Output: 145 PS (106.65 kW) / 5,700 rpm
  • Maximum Torque: 19.5 kg/m (191.23 N/m) / 3,750 rpm

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