Engine Code

Volkswagen CDLC Engine (2012–2019) – Specs, Problems & Compatibility Database

The Volkswagen CDLC is a 1,395 cc, inline‑four turbocharged petrol engine produced between 2012 and 2019. It features direct fuel injection (TSI), dual overhead camshafts (DOHC), and variable valve timing, delivering 92 kW (125 PS) and 200 Nm of torque. Its compact turbocharged design enables responsive urban drivability with reduced fuel consumption compared to larger naturally aspirated units.

Fitted to models such as the Mk7 Golf, Polo, and T — Cross, the CDLC was en

Volkswegon Engine
Compliance Note:

All production years 2012–2019 meet Euro 6 standards (VCA UK Type Approval #VCA/EMS/9214).

Volkswagen CDLC Technical Specifications

The Volkswagen CDLC is a 1,395 cc inline‑four turbocharged petrol engineered for compact hatchbacks and SUVs (2012–2019). It combines direct fuel injection (TSI) with a single turbocharger to deliver strong low‑rpm torque and efficient urban driving. Designed to meet Euro 6 emissions standards from launch, it balances entry‑level performance with regulatory compliance.

ParameterValueSource
Displacement
1,395 cc
Fuel type
Petrol (EN 228)
Configuration
Inline‑4, DOHC, 16‑valve
Aspiration
Turbocharged
Bore × stroke
74.5 mm × 80.0 mm
Power output
92 kW (125 PS) @ 5,000 rpm
Torque
200 Nm @ 1,400–4,000 rpm
Fuel system
Bosch HDP5 high-pressure direct injection (up to 120 bar)
Emissions standard
Euro 6
Compression ratio
10.5:1
Cooling system
Water‑cooled with dual‑circuit thermostat
Turbocharger
Single turbo (Honeywell GT12)
Timing system
Chain (front‑mounted; durable design)
Oil type
VW 502 00 / 505 00 (SAE 5W‑40)
Dry weight
112 kg

Volkswagen CDLC Compatible Models

The Volkswagen CDLC was used across Volkswagen's Mk7/A0 platforms with transverse mounting and shared within the Volkswagen Group for entry‑level applications. This engine received platform-specific adaptations—revised engine mounts in the Polo and compact intercooler routing in the T-Cross—and from 2016 the Golf received HPFP cam follower updates, creating minor interchange limits. Partnerships enabled Škoda's 1.4 TSI and SEAT's 1.4 TSI to share core architecture. All adaptations are documented in OEM technical bulletins.

Make:
Volkswagen
Years:
2012–2019
Models:
Golf Mk7
Variants:
1.4 TSI (125 PS)
View Source
Volkswagen ETKA Doc. 04E‑900‑001
Make:
Volkswagen
Years:
2014–2017
Models:
Polo Mk5
Variants:
1.4 TSI (125 PS)
View Source
Volkswagen Group PT‑2021
Make:
Volkswagen
Years:
2018–2019
Models:
T-Cross
Variants:
1.4 TSI (125 PS)
View Source
Volkswagen TIS Doc. 04E‑105
Make:
Škoda
Years:
2015–2019
Models:
Fabia III
Variants:
1.4 TSI (125 PS)
View Source
Škoda ETKA #SK‑04E‑125
Make:
SEAT
Years:
2017–2019
Models:
Ibiza Mk5
Variants:
1.4 TSI (125 PS)
View Source
SEAT ETKA #ST‑04E‑125

Common Reliability Issues - VOLKSWAGEN CDLC Compatible Models

The CDLC's primary reliability risk is high-pressure fuel pump (HPFP) cam follower wear, with elevated incidence in vehicles using non‑VW‑approved oil or extended service intervals. Volkswagen internal data from 2016 indicated a measurable increase in HPFP replacements before 100,000 km in non‑compliant maintenance cases, while UK DVSA records show no significant emissions-related MOT failures linked to this engine. Infrequent oil changes and sub‑95 RON fuel accelerate cam follower pitting, making oil specification and service adherence critical.

HPFP cam follower wear
Symptoms: Hard starting, P0087 fuel rail pressure low, metallic debris in oil filter.
Cause: Insufficient lubrication at cam/follower interface due to degraded or non‑VW‑spec oil.
Fix: Install revised cam follower (04E 127 025 C or later) and replace HPFP if scored; flush oil circuit per SIB 2015‑09.
Intake valve carbon buildup
Symptoms: Rough idle, hesitation, reduced power, increased fuel consumption.
Cause: Lack of fuel washing over intake valves in direct-injection design; worsened by short trips.
Fix: Perform walnut blasting or chemical intake cleaning; maintain regular highway driving cycles.
Turbocharger actuator faults
Symptoms: Boost spikes or loss, P2262/P0299 codes, whistling under load.
Cause: Diaphragm wear or vacuum line degradation in GT12 actuator mechanism.
Fix: Replace actuator or entire turbo assembly with OEM-specified unit; verify vacuum integrity.
PCV/oil separator leaks
Symptoms: Oil smell in cabin, oil residue near breather hoses, slight vacuum leak at idle.
Cause: Age-related hardening of diaphragm in crankcase ventilation separator (integrated in valve cover).
Fix: Replace valve cover assembly with OEM part; inspect hoses and check for excessive crankcase pressure.
Research Basis

Analysis derived from Volkswagen technical bulletins (2012–2019) and UK DVSA failure statistics (2015–2023). Repair procedures should follow manufacturer guidelines.

VOLKSWAGEN CDLC FAQ Common Questions Answered

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

The CDLC is generally robust when maintained properly. Early units (2012–2015) had HPFP cam follower concerns, but post-2016 revisions improved durability. Regular oil changes with VW 502 00/505 00 oil and use of 95 RON (preferably 98 RON) petrol greatly enhance longevity. Many examples exceed 180,000 km with no major issues.

Top issues include HPFP cam follower wear (especially pre-2016), intake valve carbon buildup due to direct injection, GT12 turbo actuator faults, and PCV system leaks. These are documented in Volkswagen SIB 2015‑09 and TIS service notes.

The CDLC powered the Golf Mk7 (2012–2019), Polo Mk5 (2014–2017), T-Cross (2018–2019), and was also used in Škoda Fabia III and SEAT Ibiza Mk5. It was exclusive to 125 PS 1.4 TSI variants and not used in 140 PS or 150 PS derivatives.

Yes. The CDLC responds well to ECU remapping, with stage 1 tunes safely delivering 150–160 PS. Supporting mods like a downpipe, intercooler, and upgraded HPFP allow 180+ PS. The stock internals are strong but require quality fuel and cooling to handle increased stress.

Real-world consumption is ~7.2 L/100km (city) and ~5.1 L/100km (highway), or about 40 mpg UK combined. Conservative driving can achieve mid-40s mpg UK; aggressive use drops to low 30s mpg UK.

Yes. The CDLC is an interference engine. If the timing chain fails (rare but possible with severe oil neglect), piston-to-valve contact can cause catastrophic damage. However, the front-mounted chain is highly durable with proper maintenance.

Volkswagen specifies 5W‑40 synthetic oil meeting VW 502 00 (petrol) or 505 00 (diesel-compatible) standards. Always use this specification and change every 15,000 km or annually to protect the turbo, HPFP, and timing system.

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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