The Toyota 1ZR-FE is a 1,987 cc, inline‑four petrol engine produced between 2007 and 2020. It features Dual VVT‑i (Variable Valve Timing‑intelligent) and an aluminium block with a chain‑driven DOHC valvetrain. This design prioritises smooth operation and fuel efficiency, delivering outputs between 125–140 kW (170–190 PS) and torque figures of 190–200 Nm, making it suitable for responsive everyday driving.
Fitted to models like the Auris, Corolla, and Avensis, the 1ZR-FE was engineered for refined, economical performance in compact and mid-size family vehicles. Emissions compliance was achieved through precise electronic throttle control and optimised combustion, allowing it to meet Euro 4 and Euro 5 standards depending on the model year and market.
One documented engineering update addressed potential oil consumption in early production units, linked to piston ring design. This was highlighted in Toyota Technical Service Bulletin EG-0098-10. The update involved revised piston rings and oil control components to mitigate consumption, implemented in engines produced after mid-2010.
Toyota
Production years 2007–2009 meet Euro 4 standards; 2010–2020 models meet Euro 5 compliance depending on market (VCA UK Type Approval #VCA/EMS/5678).
The Toyota 1ZR-FE is a 1,987 cc inline‑four petrol engineered for compact and mid‑size models (2007-2020). It combines Dual VVT‑i with a lightweight aluminium block to deliver smooth, linear power delivery and strong fuel economy. Designed to meet Euro 4 and Euro 5 standards, it balances responsive performance with low running costs.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,987 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Naturally Aspirated | |
| Bore × stroke | 80.5 mm × 97.6 mm | |
| Power output | 125–140 kW (170–190 PS) | |
| Torque | 190–200 Nm @ 4,000–4,400 rpm | |
| Fuel system | Sequential Multi-Point Fuel Injection (SFI) | |
| Emissions standard | Euro 4 (pre‑2010); Euro 5 (2010 onwards) | |
| Compression ratio | 10.0:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | None | |
| Timing system | Chain-driven | |
| Oil type | Toyota Genuine Motor Oil 5W‑30 (API SN/ILSAC GF-5) | |
| Dry weight | 112 kg |
The Dual VVT-i system provides a broad, flat torque curve for effortless acceleration but requires adherence to 10,000 km or 6-month oil change intervals to maintain VVT solenoid and chain tensioner health. Toyota Genuine 5W-30 oil is critical due to its specific additive package for VVT systems. Engines produced before mid-2010 should be monitored for oil consumption; if excessive, the piston ring upgrade per TSB EG-0098-10 is recommended. The timing chain is designed for life but relies on clean oil; neglecting changes can lead to tensioner failure and chain noise.
Oil Specs: Requires Toyota Genuine Motor Oil 5W-30 (API SN/ILSAC GF-5) (Toyota Owner's Manual). ACEA A5/B5 specification is also acceptable.
Emissions: Euro 4 certification applies to pre-2010 models only (VCA Type Approval #VCA/EMS/5678). All 2010 and later models meet Euro 5.
Power Ratings: Measured under SAE J1349 standards. Power figures vary by application and ECU calibration (Toyota Group PT-2020).
Toyota Technical Information System (TIS): Docs ZR-FE-001, RM1000U, TSB EG-0098-10
VCA Type Approval Database (VCA/EMS/5678)
SAE International: J1349 Engine Power Certification Standards
The Toyota 1ZR-FE was used across Toyota's E150/E160 platforms with transverse mounting. This engine received platform-specific adaptations-reinforced mounts in the Avensis and specific intake manifolds for the Auris-and from 2013 the facelifted Corolla models adopted minor ECU revisions for improved emissions, creating no significant interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front of the cylinder block, near the exhaust manifold (Toyota TIS ZR-FE-001). The 8th VIN digit for 1ZR-FE equipped vehicles is typically 'Z'. Pre-2010 engines have a silver plastic timing cover; post-2010 units may have a black cover. Critical differentiation from 2ZR-FE: The 1ZR-FE has a 1.8L displacement (bore 80.5mm) versus the 2ZR-FE's 2.0L (bore 88.5mm). Service parts, particularly pistons and connecting rods, are not interchangeable between 1ZR and 2ZR families.
The 1ZR-FE's primary documented concern is potential oil consumption in early builds, with elevated incidence in high-mileage or poorly maintained vehicles. Toyota TSB EG-0098-10 addresses this for affected units, while general reliability is otherwise very high. Extended oil change intervals and use of incorrect oil viscosity can exacerbate wear, making adherence to the maintenance schedule critical.
Analysis derived from Toyota technical bulletins (2008-2015) and UK DVSA failure statistics (2015-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about TOYOTA 1ZR-FE.
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Regulation (EC) No 715/2007
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