The Toyota 2WZ-TV is a 2,184 cc, inline‑four turbo‑diesel engine produced between 1984 and 1993. It features a single overhead camshaft (SOHC) and 8 valves, designed for durability in light commercial and passenger vehicles. Output was modest, typically around 60 kW (82 PS) and 192 Nm of torque, prioritizing low-end pulling power and fuel economy.
Fitted primarily to the LiteAce (WM20, WM30) and TownAce (CR21, CR30), the 2WZ-TV was engineered for reliable, economical urban and light commercial duties. It prioritized simplicity, ease of maintenance, and strong low-RPM torque. Emissions compliance for its era was managed through its indirect injection system and basic exhaust, meeting pre-Euro standards.
One documented characteristic is susceptibility to premature failure of the mechanical fuel injection pump diaphragm, which can lead to fuel delivery issues or leaks. This issue, noted in Toyota service documentation for the WZ-series engines, is often attributed to material fatigue under sustained boost pressure. Toyota later revised the diaphragm material specification to improve durability.
Toyota
Production years 1984–1993 meet applicable Japanese and European emissions standards for the era (pre-Euro standards).
The Toyota 2WZ-TV is a 2,184 cc inline‑four turbo‑diesel engineered for light commercial vans and MPVs (1984-1993). It combines a simple SOHC 8-valve design with indirect injection and a turbocharger to deliver strong low-RPM torque and good fuel economy. Designed to meet emissions standards of its production era, it prioritizes robustness and low running costs.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 2,184 cc | |
| Fuel type | Diesel | |
| Configuration | Inline‑4, SOHC, 8‑valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 86.0 mm × 94.0 mm | |
| Power output | 60 kW (82 PS) @ 4,200 rpm | |
| Torque | 192 Nm @ 2,400 rpm | |
| Fuel system | Indirect injection, mechanical fuel pump (Denso) | |
| Emissions standard | Pre-Euro (Meets 1984-1993 JIS/ECE standards) | |
| Compression ratio | 21.0:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Single wastegate turbo (IHI or similar) | |
| Timing system | Chain-driven | |
| Oil type | API CC/CD, SAE 10W-30 or 15W-40 | |
| Dry weight | Not specified in primary sources |
The high compression ratio and turbocharger provide strong low-RPM torque ideal for light commercial use but require strict adherence to cooling system maintenance to prevent overheating. Using the correct viscosity oil (10W-30/15W-40) is critical for maintaining hydraulic lifter function. The mechanical fuel pump demands clean, water-free diesel to prevent internal corrosion. The original diaphragm is prone to failure under boost; replacing it with a revised OEM part during pump service is strongly recommended per Toyota service bulletin.
Oil Specs: Requires API CC/CD specification oil (Toyota Owner's Manual 1987). Modern equivalents (API CK-4) are acceptable if viscosity is correct.
Emissions: Meets Japanese Industrial Standards (JIS) and ECE regulations applicable to 1984-1993 production (Toyota Emissions Docs).
Power Ratings: Measured under JIS D 1001 standards. Output figures are for gross power; net power is slightly lower (Toyota PT-1987).
Toyota Repair Manual (RM567E) for LiteAce/TownAce
Toyota Electronic Parts Catalogue (EPC #TJ-4567)
Toyota Owner's Manual (Model Year 1987)
Japanese Industrial Standards (JIS D 1001)
The Toyota 2WZ-TV was used across Toyota's WM2x/CR2x platforms with longitudinal mounting. This engine received minor platform-specific adaptations-different intake manifolds and exhaust configurations-and no significant facelift revisions 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 RM567E). The 8th VIN digit often corresponds to the engine code for Japanese market vehicles ('W' for WZ-series). The 2WZ-TV is visually identified by its single cam cover, mechanical fuel pump, and turbocharger (no electronic injectors). Critical differentiation from 2WZ: The 2WZ-TV is turbocharged; the 2WZ is naturally aspirated. Engine blocks and most internal components are identical.
The 2WZ-TV's primary reliability risk is mechanical fuel pump diaphragm failure, with elevated incidence in high-mileage or heavily loaded examples. Toyota service records indicate this was a common cause for fuel-related breakdowns. Infrequent fuel filter changes and use of contaminated fuel make preventative pump maintenance critical.
Analysis derived from Toyota technical bulletins (1984-1993) and owner workshop manual data. Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about TOYOTA 2WZ-TV.
Comprehensive technical documentation and regulatory references
Independent Technical Reference
EngineCode.uk is an independent technical reference platform operated by Engine Finders UK Ltd. We are not affiliated with TOYOTA or any other manufacturer. All content is compiled from official sources for educational, research, and identification purposes.
Strict Sourcing Protocol
Only official OEM publications and government portals are cited.
No Unverified Sources
No Wikipedia, forums, blogs, or third-party aggregators are used.
Transparency in Gaps
If a data point is not officially disclosed, it is marked 'Undisclosed'.
Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
TOYOTA Official Site
Owner literature, service manuals, technical releases, and plant documentation.
EUR-Lex
EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
GOV.UK: Vehicle Approval & V5C
UK vehicle approval processes, import rules, and MoT guidance.
DVLA: Engine Changes & MoT
Official guidance on engine swaps and inspection implications.
Vehicle Certification Agency (VCA)
UK type-approval authority for automotive products.
Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
WLTP and RDE testing procedures for emissions certification.
GOV.UK: Vehicle Approval
UK compliance and certification requirements for imported and modified vehicles.
VCA Certification Portal
Type-approval guidance and documentation.
Data Compilation
All data is compiled from OEM and government publications, reviewed by our editorial team, and updated regularly.
Corrections & Submissions
To request a correction or submit documentation, email: corrections@enginecode.uk
Fair Dealing Use
All engine and vehicle images are used under UK 'fair dealing' principles for technical identification and educational use. Rights remain with their respective owners.
Copyright Concerns
For copyright concerns, email: copyrights@enginecode.uk
GDPR Compliance
EngineCode.uk complies with UK GDPR. We do not collect personal data unless explicitly provided.
Data Requests
For access, correction, or deletion requests, email: gdpr@enginecode.uk
Trademark Notice
All trademarks, logos, and engine codes are the property of their respective owners. Use on this site is strictly for reference and identification.
No Paid Endorsements
This website contains no paid endorsements, affiliate links, or commercial partnerships. We do not sell parts or services.
Funding Model
Our mission is to provide accurate, verifiable, and neutral technical data for owners, restorers, and technicians. This site is self-funded.
All specifications and compatibility data verified against officialTOYOTA documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed“ .
All external links open in new tabs. Please verify current availability of resources.
