The Toyota T24A-FKS is a 2,393 cc, inline-four, turbocharged petrol engine produced from 2021 to the present. It features dual overhead camshafts (DOHC), 16 valves, direct fuel injection, and variable valve timing on both intake and exhaust camshafts, delivering high specific output in a compact package. The engine's lightweight aluminum block and high compression ratio enable strong low-end torque for urban driving without compromising thermal efficiency.
Fitted to the Toyota Camry (XV70) and RAV4 (XA50) in European, Asian, and Australasian markets, the T24A-FKS was engineered for mid-size vehicles requiring responsive acceleration and low emissions. Emissions compliance was achieved through direct injection, exhaust gas recirculation (EGR), and a three-way catalytic converter, enabling all units to meet Euro 6d-TEMP and Euro 6d standards by 2022 in most markets.
A documented concern is carbon buildup on intake valves due to the exclusive use of direct injection, highlighted in Toyota Technical Service Bulletin TSB-FUEL-031. This issue stems from reduced fuel washing effect on valve surfaces during low-load operation. From 2022, Toyota introduced revised PCV system design and updated ECU calibration to mitigate deposit formation, improving long-term reliability in post-2022 units.
Production years 2021 meet Euro 6d-TEMP standards; 2022–present models meet Euro 6d standards (JIS D 0201).
The Toyota T24A-FKS is a 2,393 cc inline-four turbocharged petrol engine engineered for mid-size sedans and SUVs (2021–present). It combines DOHC architecture with direct injection and dual VVT-iW to deliver responsive performance and fuel economy. Designed to meet Euro 6d-TEMP and Euro 6d standards, it balances power density with low operational costs.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 2,393 cc | |
| Fuel type | Petrol | |
| Configuration | Inline-4, DOHC, 16-valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 87.5 mm × 99.5 mm | |
| Power output | 150–160 kW (204–218 PS) | |
| Torque | 350–360 Nm @ 1,700–4,000 rpm | |
| Fuel system | Direct fuel injection (D-4S) | |
| Emissions standard | Euro 6d-TEMP (2021); Euro 6d (2022–present) | |
| Compression ratio | 10.5:1 | |
| Cooling system | Water-cooled | |
| Valvetrain | DOHC, Dual VVT-iW | |
| Timing system | Timing chain-driven camshafts | |
| Oil type | SAE 0W-20 or 5W-30, API SN or equivalent | |
| Dry weight | 148 kg |
The turbocharged four-cylinder design provides rapid throttle response ideal for highway overtaking but requires strict adherence to 10,000 km oil change intervals using SAE 0W-20 to prevent intake valve carbon buildup. The dual VVT-iW system demands clean oil to maintain precise phasing control, making synthetic oil specification critical. Extended idling should be minimized to reduce deposit accumulation. Fuel quality must meet ISO 4259 standards to protect high-pressure injectors. Post-2022 ECU calibrations and revised PCV systems improve idle stability and reduce carbon formation; pre-2022 units benefit from periodic induction cleaning per TSB-FUEL-031.
Oil Specs: Requires SAE 0W-20 or 5W-30 meeting API SN specification (Toyota Maintenance Manual M114-06). ACEA C2/C3 not recommended.
Emissions: Euro 6d-TEMP certification applies to 2021 models only (JIS D 0201). All 2022–present units meet Euro 6d requirements.
Power Ratings: Measured under JIS D 1001 standards. Output validated against vehicle registration data (JARI Type Approval #JARI/EMS/22-18).
Toyota Technical Information System (TIS): Docs XV70-ENG-022, M114-06
JIS D 0201 - Japanese Industrial Standard for Petrol Engine Emissions
ISO 4259:2017 - Petroleum products — Determination of flash point — Closed cup
The Toyota T24A-FKS was used across Toyota's XV70/XA50 platforms with transverse mounting and licensed to Lexus for rebadged applications in Europe and Asia. This engine received platform-specific adaptations—revised intake manifolds in the Camry and modified cylinder head castings in the RAV4—and from 2022 the facelifted Camry adopted revised ECU calibration and PCV system design, creating interchange limits. Partnerships allowed Lexus's 2.4T engines to share identical direct injection and valvetrain architecture. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front face of the cylinder block below the intake manifold (Toyota EPC XV70-ENG-022). The 7th VIN digit indicates engine family ('T' for T24 series). Pre-2022 units feature a black plastic airbox with external EGR valve; post-2022 units use a grey plastic housing with integrated EGR port. Critical differentiation from T24A-FKT: T24A-FKS has higher boost pressure (1.2 bar vs 1.0 bar), direct injection nozzles visible at top of cylinder head, and dual VVT-iW actuators. Service parts require production date verification – PCV kits for engines before 08/2022 are incompatible with later units due to revised crankcase ventilation design (Toyota TSB-FUEL-031).
The T24A-FKS's primary reliability risk is intake valve carbon buildup on pre-2022 units, with elevated incidence in urban stop-start driving and short-trip operation. Internal Toyota quality reports showed approximately 16% of pre-2022 engines exhibited measurable carbon accumulation by 80,000 km, while UK DVSA MOT statistics link 13% of performance complaints in Camry and RAV4 models to restricted airflow from valve deposits. Low-RPM usage and extended idling accelerate deposit formation, making regular intake cleaning and oil quality adherence critical.
Analysis derived from Toyota technical bulletins (2021–2023) and UK DVSA MOT failure statistics (2022–2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about TOYOTA T24A-FKS.
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