Toyota 1G-FE Engine Specs
The Toyota 1G-FE is a 2.0 L (121.3 cu·in, 1,988 cc) straight-six, four-stroke cycle natural aspirated gasoline engine from the Toyota G-family. The Toyota Motor Corporation made the engine from 1988 to 2005.
The Toyota 1G-FE engine features an aluminium cylinder head with dual belt-driven overhead camshafts (DOHC), a cast-iron cylinder block, and four valves per cylinder (24 in total).
The Toyota 1G-FE is fitted with an electronic fuel injection system. The Compression ratio rating is from 8.0:1 to 10.5:1, depending on the engine modification. The cylinder bore and piston stroke are 75.0 mm (2.95 in) and 75.0 mm (2.95 in), respectively.
The 1G-FE engine generations:
- 1-st gen: In 1988, the first generation of the 1G-FE came out. This engine made a maximum of 135 PS (99 kW, or 133 HP) at 5,600 rpm and a maximum of 176 Nm (17.9 kgm, or 129.9 ftlb) at 4,400 rpm.
- 2-nd gen: This engine was the second generation when it came out in 1996. At 5,600 rpm, the output power went up to 140 PS (103 kW; 138 HP), and at 4,400 rpm, the peak torque went up to 185 Nm (18.9 kgm; 136.5 ftlb).
- 3-rd gen: The 1G-FE BEAMS were the third generation, which came out in 1998. New pistons and connecting rods were used in this engine. This version has a VVT-i (Variable Valve Timing) system on the intake camshaft, an ACIS (Acoustic Control Induction System) – a variation of Toyota’s Variable Length Intake Manifold system – and an electronic throttle body. This version has an output power of 160 PS (118 KW; 158 HP) at 6,200 rpm and a peak torque of 200 Nm (20.4 kgm; 147.6 ftlb) at 4,400 rpm.
The breakdown of the engine code is as follows:
- 1 – 1 generation engine
- G – Engine family
- F – Economy narrow-angle DOHC
- E – Multi-Point Fuel Injection
Toyota 1G-FE (2.0 L, DOHC) Engine Specs
Engine Specifications
| Engine code | 1G-FE |
| Layout | Four stroke, Inline-6 (Straight-6) |
| Fuel type | Gasoline |
| Production | 1988-2005 |
| Displacement | 2.0 L, 1,988 cm3 (121.3 cu in) |
| Fuel system | Multi-point fuel injection system |
| Power adder | None |
| Max. horsepower | 1-st gen: 135 PS (99 kW; 133 HP) at 5,600 rpm 2-nd gen: 140 PS (103 KW; 138 HP) at 5,600 rpm 3-rd gen: 160 PS (118 KW; 158 HP) at 6,200 rpm |
| Max. torque | 1-st gen: 176 Nm (17.9 kg·m; 129.9 ft·lb) at 4,400 rpm 2-nd gen: 185 Nm (18.9 kg·m; 136.5 ft·lb) at 4,400 rpm 3-rd gen: 200 Nm (20.4 kg·m; 147.6 ft·lb) at 4,400 rpm |
| Firing order | 1-5-3-6-2-4 |
| Dimensions (L x H x W): | – |
| Weight | – |
Cylinder head
| Cylinder head alloy: | Aluminum | |
| Valve Arrangement: | DOHC, belt drive | |
| Valves: | 24 (4 valves per cylinder) | |
| Intake duration: | – | |
| Exhaust duration: | – | |
| Valve head diameter: | INTAKE | – |
| EXHAUST | – | |
| Valve length: | INTAKE | Without VVT-i 93.1-93.7 mm (3.6653-3.689 in) With VVT-i 91.75 mm (3.6122 in) |
| EXHAUST | Without VVT-i 93.0-93.6 mm (3.6614-3.685 in) With VVT-i 91.54 mm (3.6039 in) |
|
| Valve stem diameter: | INTAKE | Without VVT-i 5.970-5.985 mm (0.235-0.2356 in) With VVT-i 4.970-4.985 mm (0.1956-0.1962 in) |
| EXHAUST | Without VVT-i 5.965-5.980 mm (0.2348-0.2354 in) With VVT-i 4.965-4.980 mm (0.1955-0.1960 in) |
|
| Valve spring free length: | Without VVT-i 38.40 mm (1.5118 in) With VVT-i 50.0 mm (1.9685 in) |
|
| Camshaft lobe height: | INTAKE | Without VVT-i 41.210-41.310 mm (1.6224-1.6264 in) With VVT-i 46.750-46.850 mm (1.8405-1.8445 in) |
| EXHAUST | Without VVT-i 41.360-41.460 mm (1.6283-1.6323 in) With VVT-i 46.270-46.370 mm (1.8216-1.8256 in) |
|
Cylinder head torque specs:
- 64 Nm; 6.5 kg·m; 47.2 ft·lb
Cylinder block
| Cylinder block alloy | Cast-iron | |
| Compression ratio: | 8.0:1-12.5:1 | |
| Cylinder bore: | 75.0 mm (2.95 in) | |
| Piston stroke: | 75.0 mm (2.95 in) | |
| Number of piston rings (compression / oil): | 2 / 1 | |
| Number of main bearings: | 7 | |
| Cylinder inner diameter (standard): | Without VVT-i №1,6: 74.990-75.000 mm (2.9524-2.9528 in) №2,3,4,5: 75.000-75.010 mm (2.9528-2.9532 in) With VVT-i 75.010-75.023 mm (2.9532-2.9536 in) |
|
| Piston skirt diameter (standard): | Without VVT-i: 74.955-74.965 mm (2.951-2.9514 in) With VVT-i: 74.930-74.940 mm (2.9500-2.9504 in) |
|
| Piston pin outer diameter: | With VVT-i: 20.019-20.021 mm (0.7881-0.7882 in) | |
| Piston ring side clearance: | Top | 0.040-0.080 mm (0.0016-0.0031 in) |
| Second | 0.030-0.070 mm (0.0012-0.0028 in) | |
| Piston ring end gap: | Top | Without VVT-i: 0.250-0.460 mm (0.0098-0.0181 in) With VVT-i: 0.200-0.300 mm (0.0078-0.0118 in) |
| Second | Without VVT-i: 0.150-0.390 mm (0.0059-0.0154 in) With VVT-i: 0.350-0.450 mm (0.0138-0.0178 in) |
|
| Oil | Without VVT-i: 0.200-0.450 mm (0.0079-0.0177 in) With VVT-i: 0.100-0.400 mm (0.0039-0.0157 in) |
|
| Crankshaft main journal diameter: | Without VVT-i: №4: 54.955-55.000 mm (2.1636-2.1653 in) Other: 54.983-54.988 mm (2.1647-2.1649 in) With VVT-i: №4: 54.970-54.988 mm (2.1642-2.1649 in) Other: 54.982-55.000 mm (2.1635-2.1653 in) |
|
| Crankpin diameter: | 43.985-44.000 mm (1.7317-1.7323 in) | |
Main bearing cap bolts torque specs:
- 60 Nm; 6.1 kg·m; 44.3 ft·lb
Connecting rods cap bolts torque specs:
- 50 Nm 5.1 kg·m; 36.9 ft·lb
Maintenance Data
| Valve clearance (Cold) | |
| Intake valve (COLD) | 0.15-0.25 mm (0.006-0.0100 in) |
| Exhaust valve (COLD) | 0.25-0.35 mm (0.0098-0.0138 in) |
| Compression pressure | |
| Standard | Without VVT-i: 13.0 kg/cm2 / 300 rpm With VVT-i: 12.8 kg/cm2 / 300 rpm |
| Minimun | 10.0 kg/cm2 / 300 rpm |
| Oil system | |
| Oil consumption , L/1000 km (qt. per miles) | up to 0.5 (1 qt. per 1200 miles) |
| Recommended engine oil | 10W-30 |
| Oil type API | SG or better |
| Engine oil capacity (Refill capacity) | Without oil filter: 3.9 l (4.1 US qts, 3.4 Imp qts) With oil filter: 4.1 l (4.3 US qts, 3.6 Imp qts) |
| Oil change interval, km (miles) | 10,000 (6,000) |
| Ignition system | |
| Spark plug | Without VVT-i: DENSO K16R-11 With VVT-i: DENSO K20R-11 |
| Spark plug torque | 18 N·m (1.8 kg·m, 13.3 ft·lb) |
Valve clearance adjustment data
- For non-VVTi engine valve lifters are available in 27 sizes ranging from 2.00 mm (0.0787 in) to 3.30 mm (0.1299 in), in steps of 0.05 mm (0.0019 in).
- For VVTi engine valve lifters are available in 35 sizes ranging from 5.06 mm (0.1992 in) to 5.74 mm (0.2260 in), in steps of 0.02 mm (0.0008 in).
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Final Words
This concludes our discussion of the Toyota 1G-FE (2.0 L, DOHC) Engine specs and review; however, if you have any questions regarding this article, please submit them in the comment section below. We will do our best to respond to you as soon as possible.