1AZ-FSE engine — Toyota 2.0 (2L)
2L · 147-150 hp
Engine overview
Vehicles with this engine
Factory specifications
Values from the manufacturer documentation for this engine.
Engine (general)
| Engine code | 1AZ-FSE |
| Capacity | 1998 cc |
| Idle speed | 625 - 725 rpm |
| Inlet | 0.19 - 0.29 mm |
| Exhaust | 0.30 - 0.40 mm |
| Normal | 15 bar |
| Differential limit between cylinders | 1 bar |
| Minimum | 10.2 bar |
| Oil pressure | 0.3 / 625 > 2.5 - 5.5 / 3000 bar/rpm |
| Inlet | 0.24 ± 0.05 mm |
| Exhaust | 0.35 ± 0.05 mm |
| Normal | 14.7 bar |
| Minimum | 10.0 bar |
| Differential limit between cylinders | 1.0 bar |
| Oil pressure | 0.3 bar/rpm |
| Oil pressure | 2.5 - 5.4 / 3000 bar/rpm |
Engine (petrol)
| Number of cylinders | 4 |
| Firing order | 1-3-4-2 |
| Timing stroboscopic (before TDC) | 8 - 12 °/rpm |
| Spark plugs (make and type) | Denso SK20BR11 NGK IFR6A-11T |
| Spark plug gap | 1.1 mm |
| CO exhaust gas | < 0.5 % |
| Lambda | 0.97 – 1.03 |
| CO at fast-idle speed | < 0.3 % |
| Timing stroboscopic (before TDC) | 8-12 / 625-725 °/rpm |
| Spark plugs (make and type) | DENSO SK20BR11 |
| CO exhaust gas | 1.0 - 2.0 % |
Cooling system
| Cap pressure | 0.9 ± 0.15 bar |
| Thermostat opens at | 82 ± 2 °C |
| Fan on at | 90 °C |
| Cap pressure | 0.75 - 1.05 bar |
| Thermostat opens at | 88 ± 2 °C |
Electrical
| Battery | 40 Ah |
| Alternator | 70 A |
Capacities
| Engine sump, incl. filter | 4.3 l |
| Gearbox refill | 1.9 l |
| Gearbox refill | 4.3 l |
| Cooling system | 5.9 - 7.5 l |
| Cooling system | 6.1 - 6.2 l |
| Air-conditioner refrigerant | 400 - 500 g |
Torque settings
| Cylinder head bolts — Stage 1 | 80 Nm |
| Cylinder head bolts — Stage 2 | +90° ° |
| Oil plug | 35 Nm |
| Inlet manifold | 30 Nm |
| Exhaust manifold | 35 Nm |
| Front hub | 215 Nm |
| Wheel nuts | 105 Nm |
| Spark plugs | 25 Nm |
Emissions
| Emission code | 70/220*1999/102A |
| Emission standard | Euro 3 (06/2000 ->) |
| CO2 average | 188 - 189 g/km |
| CO | 0.520 - 0.630 g/km |
| HC | 0.070 - 0.090 g/km |
| NOx | 0.020 - 0.050 g/km |
| Emission code | 70/220*2001/100B |
| Emission standard | Euro 4 (12/2002 ->) |
| CO2 average | 193 g/km |
| CO | 0.490 g/km |
| HC | 0.070 g/km |
| NOx | 0.020 g/km |
| Emission standard | Euro 3 |
| CO2 average | 212 - 216 g/km |
| CO | 0.760 - 0.900 g/km |
| HC | 0.080 - 0.120 g/km |
| NOx | 0.040 - 0.080 g/km |
| CO2 average | 181 g/km |
| CO | 0.540 g/km |
| NOx | 0.050 g/km |
| CO2 average | 212 g/km |
| CO | 0.760 g/km |
| HC | 0.080 g/km |
| NOx | 0.040 g/km |
Workshop procedures for this engine
Step-by-step procedures from the workshop database.
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TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.
The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.
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The story behind TorqFix →Workshop data on this page last updated 22 Aug 2026.