Engine Code

Volkswagen CAYE Engine (2012–2015) – Specs, Problems & Compatibility Database

The Volkswagen CAYE is a 1,395 cc, inline‑four turbocharged petrol engine produced between 2012 and 2015. It features direct fuel injection (TSI), a single turbocharger, and dual overhead camshafts (DOHC). This engine delivered 92 kW (125 PS) and 200 Nm of torque, engineered for responsive urban performance and efficient cruising in compact applications.

Fitted primarily to the Mk7 Golf and related MQB — platform vehicles, the CAYE was designed for drivers seeking pep

Volkswegon Engine
Compliance Note:

Production years 2012–2015 meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/9012).

Volkswagen CAYE Technical Specifications

The Volkswagen CAYE is a 1,395 cc inline‑four turbocharged petrol engineered for compact hatchbacks and sedans (2012-2015). It combines gasoline direct injection (TSI) with a single turbocharger to deliver responsive low-end torque and good fuel economy. Designed to meet Euro 5 standards, it balances urban agility with highway efficiency.

ParameterValueSource
Displacement
1,395 cc
Fuel type
Petrol
Configuration
Inline‑4, DOHC, 16‑valve
Aspiration
Turbocharged
Bore × stroke
74.5 mm × 80.0 mm
Power output
92 kW (125 PS)
Torque
200 Nm @ 1,500–3,500 rpm
Fuel system
Direct Injection (TSI), Bosch MED17.5 ECU
Emissions standard
Euro 5
Compression ratio
10.0:1
Cooling system
Water‑cooled
Turbocharger
Single turbocharger (IHI or Garrett)
Timing system
Chain-driven
Oil type
VW 502 00 / 504 00 (SAE 5W‑30 or 5W‑40)
Dry weight
Approx. 122 kg

Volkswagen CAYE Compatible Models

The Volkswagen CAYE was used across Volkswagen's A7 (MQB) platform with transverse mounting. This engine received platform-specific ECU mappings for the Golf and Audi A3, creating minor software interchange limits. All adaptations are documented in OEM technical bulletins.

Make:
Volkswagen
Years:
2012–2015
Models:
Golf Mk7 (Typ 5G)
Variants:
1.4 TSI (125 PS)
View Source
Volkswagen ETKA
Make:
Audi
Years:
2012–2015
Models:
A3 (8V)
Variants:
1.4 TFSI (125 PS)
View Source
Audi ETKA
Make:
SEAT
Years:
2012–2015
Models:
Leon Mk3 (Typ 5F)
Variants:
1.4 TSI (125 PS)
View Source
SEAT ETKA
Make:
Škoda
Years:
2012–2015
Models:
Octavia Mk3 (Typ 5E)
Variants:
1.4 TSI (125 PS)
View Source
Škoda ETKA

Common Reliability Issues - VOLKSWAGEN CAYE Compatible Models

The CAYE's primary reliability risk is ignition coil failure on early builds, with elevated incidence in high-temperature operating conditions. Volkswagen internal service data indicated a notable number of coil replacements were performed under warranty, while owner reports frequently cite misfires as a maintenance concern. High engine loads and infrequent spark plug changes can exacerbate coil stress, making regular monitoring critical.

Ignition coil failure
Symptoms: Engine misfire, rough idle, 'Check Engine' light with misfire codes, reduced power and fuel economy, hesitation under acceleration.
Cause: Premature failure of ignition coils due to heat stress and electrical overload, particularly in early-design units.
Fix: Replace all ignition coils with the latest OEM-specified, heat-resistant design per service bulletin; inspect and replace spark plugs if worn.
High-pressure fuel pump (HPFP) failure
Symptoms: Engine cranks but won't start, loss of power, 'Check Engine' light with fuel pressure codes, noisy fuel pump.
Cause: Wear or failure of the camshaft-driven high-pressure fuel pump, often linked to fuel quality or infrequent use.
Fix: Replace the high-pressure fuel pump assembly with the latest OEM part; ensure use of high-quality fuel.
Spark plug fouling or gap widening
Symptoms: Rough idle, misfires, difficulty starting, increased fuel consumption, 'Check Engine' light.
Cause: Standard wear item; plugs can foul from oil or fuel deposits, or the electrode gap can widen over time, reducing ignition efficiency.
Fix: Replace spark plugs with OEM-specified type at recommended intervals; ensure correct torque is applied during installation.
PCV valve or breather system issues
Symptoms: Oil leaks from valve cover or dipstick tube, whistling/hissing noise from engine, rough idle, increased oil consumption.
Cause: Clogging or failure of the positive crankcase ventilation (PCV) valve, leading to excessive crankcase pressure.
Fix: Replace the PCV valve and inspect/clean associated hoses; ensure the system is functioning correctly to prevent oil leaks and sludge buildup.
Research Basis

Analysis derived from Volkswagen technical bulletins (2012-2016) and owner-reported data aggregated from manufacturer service networks (2015-2023). Repair procedures should follow manufacturer guidelines.

VOLKSWAGEN CAYE FAQ Common Questions Answered

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

The CAYE is generally a reliable and economical engine. Its main long-term concern is potential ignition coil failure on early production units. With diligent spark plug maintenance, timely oil changes using correct spec oil, and addressing any misfires early by replacing coils, the engine can be very dependable for high mileage.

The most common issues are ignition coil failure (especially on early units), failure of the high-pressure fuel pump, worn spark plugs, and PCV valve clogging. These are well-documented in VW service information and can be addressed with OEM parts.

The CAYE 1.4 TSI was primarily used in the Golf Mk7 (2012-2015). Due to VW Group platform sharing, it was also fitted to the Audi A3 (8V), SEAT Leon Mk3, and Škoda Octavia Mk3 during the same period, always producing 125 PS.

Yes, the CAYE can be safely tuned via ECU remapping. Stage 1 tunes can increase power to around 150-160 PS. The engine's internals are robust, but supporting modifications like an upgraded intercooler are recommended for optimal results. Always use a reputable tuner.

Fuel economy is very good for its performance. Expect around 5.5-6.5 L/100km (43-51 mpg UK) combined in a Golf Mk7. Real-world figures vary with driving style, but it offers an excellent balance of power and efficiency for a small turbocharged engine.

Yes. The CAYE is an interference engine. If the timing chain were to fail (which is rare with proper maintenance), the pistons would collide with the valves, causing severe internal engine damage requiring a costly rebuild.

Volkswagen specifies oil meeting VW 502 00 or 504 00 standards, typically SAE 5W-30 or 5W-40 fully synthetic. Using the correct specification is crucial for protecting the turbocharger and timing chain. Change intervals should not exceed 15,000 km or 1 year.

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.

Methodology

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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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