Engine Code

Volkswagen CKTB Engine (2015–2020) – Specs, Problems & Compatibility Database

The Volkswagen CKTB is a 1,498 cc, inline‑three turbocharged petrol engine produced between 2015 and 2020. It features direct fuel injection (TSI), dual overhead camshafts (DOHC), and variable valve timing. In standard form it delivers 110 kW (150 PS) and 250 Nm of torque, with responsive low‑end delivery enabled by its low‑inertia turbocharger.

Fitted to models such as the Mk7 Golf, Mk7.5 Golf, T — Roc, and Audi A3 (8V), the CKTB was engineered for compact efficiency with

Volkswegon Engine
Compliance Note:

Production years 2015–2017 meet Euro 6b standards; 2018–2020 models meet Euro 6d-TEMP compliance depending on market (VCA UK Type Approval #VCA/EMS/6021).

Volkswagen CKTB Technical Specifications

The Volkswagen CKTB is a 1,498 cc inline‑three turbocharged petrol engine engineered for compact hatchbacks and SUVs (2015–2020). It combines direct injection with a low-inertia turbocharger to deliver responsive low-end torque and efficient urban driving. Designed to meet Euro 6b and Euro 6d-TEMP emissions standards, it balances everyday usability with reduced emissions.

ParameterValueSource
Displacement
1,498 cc
Fuel type
Petrol (RON 95 min, RON 98 recommended)
Configuration
Inline‑3, DOHC, 12‑valve
Aspiration
Turbocharged
Bore × stroke
74.5 mm × 85.9 mm
Power output
110 kW (150 PS) @ 5,000–6,000 rpm
Torque
250 Nm @ 1,500–3,500 rpm
Fuel system
Bosch HDP5 high‑pressure direct injection (up to 200 bar)
Emissions standard
Euro 6b (2015–2017); Euro 6d-TEMP (2018–2020)
Compression ratio
10.5:1
Cooling system
Water‑cooled with dual‑circuit layout
Turbocharger
Low-inertia IHI VT16
Timing system
Chain (front‑mounted, maintenance‑free design)
Oil type
VW 502 00 / 504 00 (SAE 5W‑40)
Dry weight
112 kg

Volkswagen CKTB Compatible Models

The Volkswagen CKTB was used across Volkswagen's Mk7 and Mk7.5 platforms with transverse mounting and shared within the Volkswagen Group. This engine received platform-specific adaptations—revised engine mounts in the T-Roc and updated cooling in the Golf—and from 2018 the facelifted Golf adopted minor ECU and emissions updates, creating minor calibration limits. Partnerships allowed Audi and SEAT to use variants of this engine in compact models. All adaptations are documented in OEM technical bulletins.

Make:
Volkswagen
Years:
2015–2020
Models:
Golf (Mk7 / Mk7.5)
Variants:
1.5 TSI 150 PS
View Source
Volkswagen ETKA 2021
Make:
Volkswagen
Years:
2017–2020
Models:
T-Roc
Variants:
1.5 TSI 150 PS
View Source
VW TIS Doc. 04E‑1012
Make:
Audi
Years:
2015–2020
Models:
A3 (8V)
Variants:
1.5 TFSI 150 PS (CKTB)
View Source
Audi ETKA #8V‑9001
Make:
SEAT
Years:
2016–2020
Models:
León
Variants:
1.5 TSI 150 PS
View Source
SEAT ETKA #5F‑8880

Common Reliability Issues - VOLKSWAGEN CKTB Compatible Models

The CKTB's primary reliability risk is high-pressure fuel pump cam follower wear, with elevated incidence in vehicles using RON 95 fuel or extended oil intervals. Volkswagen internal data from 2018 indicated increased HPFP-related warranty claims for pre-2018 builds, while UK DVSA MOT records show secondary issues related to GPF clogging in low-mileage urban use. Consistent use of premium fuel and correct oil specification is critical to mitigate wear.

HPFP cam follower wear
Symptoms: Hard starts, rail pressure DTCs (P0087, P0191), loss of power, misfires under load.
Cause: Marginal lubrication of cam follower under high-load or extended oil intervals; exacerbated by RON 95 use and high ambient temperatures.
Fix: Replace cam follower and HPFP as a matched set per VW SIB 2017‑12; verify oil and fuel specifications before return to service.
Gasoline particulate filter (GPF) clogging
Symptoms: Reduced power, increased fuel consumption, regeneration warnings, exhaust smell.
Cause: Insufficient high-load driving cycles preventing passive regeneration; common in urban, short-trip usage.
Fix: Perform forced regeneration via diagnostics; if clogged beyond threshold, replace GPF per manufacturer procedure and adjust driving pattern.
Coolant thermostat housing leaks
Symptoms: Coolant odor, visible leaks near front of engine, low coolant warnings.
Cause: Plastic thermostat housing degrades over time due to thermal cycling and pressure.
Fix: Replace with updated OEM housing; inspect coolant hoses and O-rings during service.
Carbon buildup on intake valves
Symptoms: Rough idle, hesitation, reduced efficiency, misfire codes.
Cause: Lack of fuel washover on intake valves due to direct injection; oil vapor from PCV contributes to deposits.
Fix: Clean valves via walnut blasting or chemical induction service; maintain PCV system and consider catch can for high-mileage units.
Research Basis

Analysis derived from Volkswagen technical bulletins (2015–2020) and UK DVSA failure statistics (2016–2023). Repair procedures should follow manufacturer guidelines.

VOLKSWAGEN CKTB FAQ Common Questions Answered

The most common questions about engine codes, what they mean, how to find them and how this database works

The CKTB offers good efficiency and responsive torque, but early units (2015–2017) are prone to HPFP cam follower wear if RON 95 fuel or incorrect oil is used. Post-2018 revisions improved durability. Regular oil changes with VW 502 00/504 00 spec and use of RON 98 fuel significantly enhance longevity.

Top issues include HPFP cam follower wear, GPF clogging in low-mileage use, coolant housing leaks, and intake valve carbon buildup. These are documented in VW service bulletins and supported by DVSA MOT data on emissions-related failures.

The CKTB powered the Golf (Mk7/Mk7.5, 2015–2020), T-Roc (2017–2020), and was shared with Audi A3 (8V), SEAT León, and Škoda Octavia. All are EA211 evo 1.5 TSI variants rated at 150 PS.

Yes. The CKTB responds well to ECU remapping, with stage 1 typically yielding 180–190 PS. Stock internals support up to ~210 PS with supporting mods (intercooler, exhaust). However, HPFP and cam follower upgrades are recommended beyond stage 1 to ensure reliability.

In a Golf 1.5 TSI, expect ~6.0 L/100km (47 mpg UK) combined under normal driving. Aggressive use can exceed 8.5 L/100km, while steady motorway cruising may drop to ~5.0 L/100km. Real-world figures average 42–50 mpg UK depending on driving style and conditions.

Yes. The CKTB is an interference engine. If the timing chain fails (rare but possible), piston-to-valve contact can cause catastrophic damage. However, the chain is designed as lifetime and rarely fails if oil is maintained.

Volkswagen specifies 5W‑40 synthetic oil meeting VW 502 00 or 504 00 standards. This is critical for cam follower and HPFP protection. Oil changes every 10,000–15,000 km (or annually) are recommended, especially with spirited driving.

Research Resources

Comprehensive technical documentation and regulatory references

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Primary Sources

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.

Regulatory Context

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.

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Last Updated: 25 Feb 2026

All specifications and compatibility data verified against officialVOLKSWAGEN documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.

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