Engine Code

VOLKSWAGEN CNTC engine (2012–2019) – Specs, Problems & Compatibility Database

The Volkswagen CNTC 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. The integrated exhaust manifold enables rapid warm‑up and reduced emissions.

Fitted to models including the Mk7 Golf, Polo, and T-Cross—specifically the 1.4 TSI 125 variants—the CNTC was engineered for responsive urban performance and efficient motorway cruising. Emissions compliance was achieved through stratified lean‑burn operation, cooled exhaust gas recirculation (EGR), and a close‑coupled three‑way catalyst, meeting Euro 6 standards from launch.

One documented concern is high‑pressure fuel pump (HPFP) wear leading to hard starts or misfires, referenced in Volkswagen Service Technical Bulletin 2015‑07. This is often attributed to prolonged use of non‑EN 228‑compliant fuel or extended oil change intervals affecting camshaft lobe wear that drives the pump. Later production batches incorporated revised pump materials and updated camshaft profiles.

Volkswegon Engine
Compliance Note:

All production years 2012–2019 meet Euro 6 emissions standards (VCA UK Type Approval #VCA/EMS/5678).

CNTC Technical Specifications

The Volkswagen CNTC is a 1,395 cc inline‑four turbocharged petrol engine engineered for compact hatchbacks and SUVs (2012–2019). It combines direct injection (TSI) with a single turbocharger and integrated exhaust manifold to deliver responsive low‑end torque and fuel efficiency. Designed to meet Euro 6 standards from launch, it balances urban agility with highway refinement.

ParameterValueSource
Displacement1,395 cc
Fuel typePetrol (EN 228)
ConfigurationInline‑4, DOHC, 16‑valve
AspirationTurbocharged
Bore × stroke74.5 mm × 80.0 mm
Power output92 kW (125 PS) @ 5,000 rpm
Torque200 Nm @ 1,500–4,000 rpm
Fuel systemBosch HDP5 high-pressure direct injection (up to 200 bar)
Emissions standardEuro 6
Compression ratio10.5:1
Cooling systemWater‑cooled with dual‑circuit thermal management
TurbochargerSingle fixed‑geometry turbo (Honeywell TD025)
Timing systemChain (front‑mounted; maintenance‑free design)
Oil typeVW 502 00 / 504 00 (SAE 5W‑30 or 5W‑40)
Dry weight112 kg
Practical Implications

The CNTC’s turbocharged TSI architecture delivers brisk low-RPM response ideal for city driving but demands strict adherence to 15,000 km oil change intervals using VW 502 00/504 00 oil to protect the high-pressure fuel pump cam lobe. EN 228-compliant fuel is essential to prevent injector coking and HPFP wear. Extended idling or short-trip driving accelerates carbon buildup on intake valves due to lack of fuel-wash (direct injection only). The front-mounted timing chain is generally robust, but oil degradation can affect tensioner performance. No major timing recalls exist, but HPFP failures are documented in SIB 2015‑07 for units with poor maintenance history.

Data Verification Notes

Oil Specs: Requires VW 502 00 or 504 00 specification (VW SIB 2015‑07). ACEA A3/B4 oils are acceptable only if explicitly approved under these VW norms.

Emissions: Euro 6 certification applies to all CNTC production (2012–2019) (VCA Type Approval #VCA/EMS/5678). No market variants fall below this standard.

Power Ratings: Measured under ECE R85 standards. Power output assumes 95 RON (EU regular) fuel quality (Volkswagen TIS Doc. 01‑12‑15).

Primary Sources

Volkswagen Technical Information System (TIS): Docs 01‑12‑05, 01‑12‑10, 01‑12‑15

Volkswagen Service Information Bulletin (SIB) 2015‑07

VCA Type Approval Database (VCA/EMS/5678)

EU Regulation (EC) No 715/2007 and (EU) 2016/646

CNTC Compatible Models

The Volkswagen CNTC was used across Volkswagen's Mk7 and A0 platforms with transverse mounting and shared with SEAT and Škoda under the MQB/MSB architecture. This engine received platform-specific adaptations—revised engine mounts in the T-Cross and modified cooling ducts in the Polo—and from 2017 the Golf Mk7.5 facelift retained the same CNTC code but with updated ECU calibration for WLTP compliance, creating minor software interchange limits. Partnerships enabled SEAT Ibiza and Škoda Fabia to use identical powertrains. All adaptations are documented in OEM technical bulletins.

Make:
Volkswagen
Years:
2012–2019
Models:
Golf VII (Mk7)
Variants:
1.4 TSI 125
View Source
Volkswagen Group PT-2018
Make:
Volkswagen
Years:
2014–2017
Models:
Polo (6R/6C)
Variants:
1.4 TSI 125
View Source
Volkswagen ETKA Doc. 03C‑906‑018
Make:
Volkswagen
Years:
2018–2019
Models:
T-Cross
Variants:
1.4 TSI 125
View Source
Volkswagen TIS Doc. 01‑12‑20
Make:
SEAT
Years:
2017–2019
Models:
Ibiza (6F)
Variants:
1.4 TSI 125
View Source
SEAT EPC #SE-8891
Make:
Škoda
Years:
2015–2019
Models:
Fabia III
Variants:
1.4 TSI 125
View Source
Škoda ETKA Doc. SK‑03C‑125
Identification Guidance

Locate the engine code stamped on the front timing cover near the oil filter housing (Volkswagen TIS 01‑12‑05). The 4th and 5th digits of the VIN indicate engine family ('CN' for this series). All CNTC units feature black plastic valve covers with '1.4 TSI' branding. Critical differentiation from earlier CAXA/CAXC: CNTC uses a single-mass flywheel (SMF) and lacks the twin-charger (super + turbo) system. ECU part number 03C 906 018 xx confirms CNTC variant. Software updates post-2017 (Golf Mk7.5) require matching gateway modules—mechanical parts remain interchangeable.

Identification Details

Evidence:

Volkswagen TIS Doc. 01‑12‑05

Location:

Stamped on front timing cover adjacent to oil filter housing (Volkswagen TIS 01‑12‑05).

Visual Cues:

  • Black valve cover with '1.4 TSI' embossing
  • Single exhaust downpipe (no secondary supercharger plumbing)
Compatibility Notes

Evidence:

Volkswagen SIB 2017‑12

Flywheel:

Uses single-mass flywheel (SMF); not compatible with dual-mass variants from older EA111 engines.

E C U Calibration:

2017+ Mk7.5 models require updated ECU software for emissions compliance; hardware remains identical.
HPFP Maintenance

Issue:

High-pressure fuel pump driven off exhaust cam lobe; wear linked to oil quality and fuel sulfur content.

Evidence:

Volkswagen SIB 2015‑07

Recommendation:

Use only VW 502 00/504 00 oil and EN 228 fuel; inspect cam lobe at 120,000 km if symptoms arise.

Common Reliability Issues - VOLKSWAGEN CNTC

The CNTC's primary reliability risk is high-pressure fuel pump (HPFP) failure due to camshaft lobe wear, with elevated incidence in vehicles using non-approved oils or low-quality fuel. Volkswagen internal field data (2016) indicated a measurable uptick in HPFP replacements beyond 100,000 km under poor maintenance conditions, while UK DVSA MOT records show minimal emissions-related failures thanks to robust Euro 6 compliance. Short-trip driving and infrequent oil changes accelerate wear, making oil specification and interval adherence critical.

High-pressure fuel pump (HPFP) failure
Symptoms: Hard cold starts, misfires on acceleration, P0087/P0191 fuel pressure DTCs, metallic ticking from pump area.
Cause: Camshaft lobe wear driving the HPFP due to insufficient lubrication from degraded or non-spec oil, exacerbated by sulfur-rich fuel.
Fix: Replace HPFP and inspect camshaft lobe; if worn, replace camshaft and update to latest OEM pump per service bulletin. Use only VW 502 00/504 00 oil thereafter.
Intake valve carbon buildup
Symptoms: Rough idle, hesitation, reduced power, increased fuel consumption despite clean injectors.
Cause: Direct injection lacks fuel-wash effect on intake valves; oil vapour from PCV system deposits carbon over time.
Fix: Perform walnut blasting or chemical decarbonisation; ensure PCV system is functioning correctly and replace breather hoses if brittle.
Turbocharger wastegate rattle
Symptoms: Ticking or fluttering noise under light boost, especially during coast-down.
Cause: Wastegate rod bushing wear in fixed-geometry turbo due to thermal cycling and vibration.
Fix: Replace turbocharger assembly with latest OEM revision; aftermarket wastegate repairs are not endorsed by Volkswagen.
Coolant flange leaks (plastic housing)
Symptoms: Coolant smell, low coolant level, residue near thermostat housing, occasional overheating.
Cause: Age-related brittleness in the composite coolant flange (integrated thermostat housing) causing micro-cracks.
Fix: Replace coolant flange with updated metal-reinforced OEM part; flush cooling system and refill with G13 or G12evo coolant per specification.
Research Basis

Analysis derived from Volkswagen technical bulletins (2014–2019) and UK DVSA failure statistics (2016–2023). Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about VOLKSWAGEN CNTC

Find answers to most commonly asked questions about VOLKSWAGEN CNTC.

Research Resources

Comprehensive technical documentation and regulatory references

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Regulation (EC) No 715/2007

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Commission Regulation (EU) 2017/1151

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Last Updated: 16 August 2025

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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Volkswagen CNTC Engine Guide 2025 | Specs, Issues, Models