The Toyota 2SZ-FE is a 1,298 cc, inline‑four petrol engine produced between 2000 and 2012. It features dual overhead camshafts (DOHC) and 16 valves with VVT-i, designed for compact, fuel-efficient vehicles like the Yaris and Echo. Output was modest, typically around 63 kW (86 PS) and 120 Nm of torque, prioritizing smooth operation and low-cost ownership.
Fitted primarily to the Yaris (XP10) and Echo (NCP50), the 2SZ-FE was engineered for reliable, urban transportation. It prioritized refinement, low emissions, and ease of maintenance. Emissions compliance was managed through its electronic fuel injection and VVT-i system, meeting Euro 3 standards.
One documented characteristic is susceptibility to oil consumption under high-load or high-mileage conditions, which can lead to increased wear if not monitored. This issue, highlighted in Toyota Service Bulletin T-SB-0152-08, is often linked to piston ring design in early production engines. Toyota implemented minor revisions to ring specifications in later model years to mitigate this condition.
Toyota
Production years 2000–2012 meet Euro 3 standards for applicable markets (VCA UK Type Approval #VCA/EMS/2345).
The Toyota 2SZ-FE is a 1,298 cc inline‑four petrol engine engineered for subcompact hatchbacks and sedans (2000-2012). It combines DOHC 16-valve architecture with VVT-i to deliver smooth, economical power and low emissions. Designed to meet Euro 3 standards, it balances everyday drivability with fuel efficiency.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,298 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 72.0 mm × 79.7 mm | |
| Power output | 63 kW (86 PS) @ 6,000 rpm | |
| Torque | 120 Nm @ 4,400 rpm | |
| Fuel system | Electronic fuel injection (EFI), sequential multi-port | |
| Emissions standard | Euro 3 | |
| Compression ratio | 10.5:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | None | |
| Timing system | Chain-driven | |
| Oil type | API SL/SM, ILSAC GF-3, SAE 5W-30 | |
| Dry weight | Not specified in primary sources |
The DOHC VVT-i design provides smooth, linear power delivery ideal for city driving but requires monitoring for oil consumption, especially in high-mileage examples. Using the correct ILSAC GF-3 specification oil (5W-30) is critical for maintaining VVT-i solenoid function and minimizing ring wear. Extended high-RPM driving should be avoided in early production engines. The timing chain is designed for life-of-engine service but should be inspected if unusual noise is detected. Fuel injectors may require cleaning if fuel quality is poor.
Oil Specs: Requires API SL/SM or ILSAC GF-3 specification oil (Toyota Owner's Manual 2003). Modern equivalents (API SN/SP, ILSAC GF-5) are acceptable.
Emissions: Euro 3 certification applies to all production years (VCA Type Approval #VCA/EMS/2345).
Power Ratings: Measured under JIS D 1001 standards. Output figures are for net power (Toyota PT-2003).
Toyota Repair Manual (RM890E) for Yaris/Echo
Toyota Electronic Parts Catalogue (EPC #TJ-7890)
Toyota Owner's Manual (Model Year 2003)
VCA Type Approval Database (VCA/EMS/2345)
Toyota Service Bulletin T-SB-0152-08
The Toyota 2SZ-FE was used across Toyota's XP1x/NCP5x platforms with transverse mounting. This engine received minor platform-specific adaptations-different intake manifolds and engine mounts-and no significant facelift revisions affecting core components during its production run, ensuring broad parts interchangeability. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the block's machined surface near the cylinder head, typically on the exhaust side (Toyota RM890E). The 8th VIN digit often corresponds to the engine code for European market vehicles ('S' for SZ-series). The 2SZ-FE is visually identified by its DOHC cam covers and electronic fuel injection (no carburetor). Critical differentiation from 1SZ-FE: The 2SZ-FE has a 1,298cc displacement; the 1SZ-FE is 997cc. Engine blocks are not interchangeable. Service parts like sensors and accessories are generally compatible across SZ-family engines.
The 2SZ-FE's primary reliability risk is oil consumption in early production engines, with elevated incidence in high-mileage or high-load examples. Toyota service records indicate this was a documented concern, particularly for vehicles used for sustained highway driving. Infrequent oil level checks and use of incorrect viscosity oil make preventative monitoring critical.
Analysis derived from Toyota technical bulletins (2000-2012) and owner workshop manual data. Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about TOYOTA 2SZ-FE.
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