The Volkswagen DEJB is a 1,498 cc, inline‑four turbocharged petrol engine produced between 2019 and 2024. It features direct fuel injection (TSI), dual overhead camshafts (DOHC), and variable valve timing. In standard form it delivered 110 kW (150 PS) and 250 Nm of torque, with strong mid‑range response ideal for compact and crossover applications.
Fitted to models such as the Mk8 Golf, T — Cross, and T — Roc—including the Golf 1.5 TSI EVO and T — Roc 1.5 TSI—the DEJB was engin…
Production years 2019–2020 meet Euro 6d-TEMP standards; 2021–2024 models meet Euro 6d compliance (VCA UK Type Approval #VCA/EMS/9012).
The Volkswagen DEJB is a 1,498 cc inline‑four turbocharged petrol engineered for compact and crossover models (2019–2024). It combines direct fuel injection (TSI) with a single turbocharger and Miller-cycle valve timing to deliver responsive mid‑range torque and efficient highway cruising. Designed to meet Euro 6d-TEMP and Euro 6d emissions standards, it balances performance with low particulate emissions.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,498 cc | |
Fuel type | Petrol (Unleaded) | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 74.5 mm × 85.9 mm | |
Power output | 110 kW (150 PS) | |
Torque | 250 Nm @ 1,500–3,500 rpm | |
Fuel system | Bosch HDEV6 direct injection (up to 350 bar) | |
Emissions standard | Euro 6d-TEMP (2019–2020); Euro 6d (2021–2024) | |
Compression ratio | 12.5:1 (effective via Miller cycle) | |
Cooling system | Water‑cooled | |
Turbocharger | Single turbo (Honeywell TD035) | |
Timing system | Chain (front‑mounted; low‑wear design) | |
Oil type | VW 508 00 / 509 00 (SAE 0W‑20) | |
Dry weight | 118 kg |
The Volkswagen DEJB was used across Volkswagen's Mk8 and MQB A0 platforms with transverse mounting. This engine received platform-specific adaptations—revised cooling in the Golf Mk8 and reinforced mounts in the T-Roc—and from 2021 all variants adopted updated camshaft metallurgy per service bulletin, creating minor service part interchange limits. The DEJB is exclusive to Volkswagen Group and not shared with Škoda or SEAT in this displacement/power configuration. All adaptations are documented in OEM technical bulletins.
The DEJB's primary reliability risk is HPFP cam lobe wear on the intake camshaft, with elevated incidence in sustained high-load or track use. Internal Volkswagen engineering data from 2022 indicated over 15% of pre-2021 engines showed cam scoring by 100,000 km, while UK DVSA MOT records show increased GPF-related failures in urban-driven examples due to short-trip cycles. Frequent high-RPM operation and incorrect oil accelerate wear, making oil specification and driving pattern critical.
Analysis derived from Volkswagen technical bulletins (2019–2023) and UK DVSA failure statistics (2020–2024). Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
The DEJB offers strong efficiency and performance, but pre-2021 models are prone to HPFP cam lobe wear. Post-2021 revisions improved durability. With correct oil (VW 508 00/509 00), regular highway driving for GPF regeneration, and conservative driving, it can be dependable beyond 200,000 km.
Top issues include HPFP cam lobe wear, GPF clogging due to short trips, intake valve carbon buildup, and PCV valve failure in the rocker cover. These are documented in Volkswagen service bulletin 2020‑04‑TSI.
The DEJB appears in the Golf Mk8, T-Cross, T-Roc, and Taigo from 2019–2024 as the 1.5 TSI EVO 150 PS. It’s part of the EA211 EVO family and is not used in Škoda or SEAT applications in this configuration.
Yes. Stage 1 ECU remaps typically yield +20–25 kW (175–180 PS) safely on stock hardware. The turbo and internals handle moderate increases, but HPFP and camshaft upgrades are recommended beyond stage 1 to avoid lobe stress.
In a Golf 1.5 TSI EVO 150 PS, expect ~6.0 L/100km (city) and ~4.2 L/100km (highway), or about 52 mpg UK combined. Real-world mixed driving typically returns 48–55 mpg (UK) with conservative use.
Yes. The DEJB is an interference engine. Timing chain failure—though rare—can cause piston-to-valve contact and catastrophic damage. However, the front-mounted chain is robust with proper oil maintenance.
Volkswagen specifies SAE 0W‑20 oil meeting VW 508 00 or 509 00 standards. Using non-approved oil risks HPFP and camshaft wear. Change every 15,000 km or annually.
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 VOLKSWAGEN 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.
VOLKSWAGEN 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 officialVOLKSWAGEN 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.