The Volkswagen CAVE – Petrol is a 1,390 cc, inline‑four turbocharged petrol engine produced between 2012 and 2015. It features direct fuel injection (TSI), a single twin‑scroll turbocharger, and dual overhead camshafts (DOHC) with variable valve timing. In standard tune it delivered 103 kW (140 PS), offering enhanced performance over the 122 PS CATA variant while maintaining strong low‑end torque.
Fitted to performance — oriented variants of the Mk7 Golf, Jetta, and B…
Production years 2012–2015 meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/9102).
The Volkswagen CAVE – Petrol is a 1,390 cc inline‑four turbocharged petrol engineered for compact hatchbacks and sedans (2012-2015). It combines direct fuel injection with a twin‑scroll turbocharger to deliver enhanced power and responsive low‑rpm torque. Designed to meet Euro 5 standards, it balances sportier performance with everyday fuel economy.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,390 cc | |
Fuel type | Petrol | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 76.5 mm × 75.6 mm | |
Power output | 103 kW (140 PS) | |
Torque | 250 Nm @ 1,500–3,500 rpm | |
Fuel system | Direct injection (Bosch MED17.5 ECU) | |
Emissions standard | Euro 5 | |
Compression ratio | 10.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single twin‑scroll turbo (IHI or BorgWarner) | |
Timing system | Chain‑driven | |
Oil type | VW 502 00 / 504 00 (SAE 5W-30 or 5W-40) | |
Dry weight | Approx. 109 kg |
The Volkswagen CAVE – Petrol was used across Volkswagen's Mk7 platform with transverse mounting. This engine received platform-specific adaptations-reinforced mounts in the Jetta-and from 2014 some models received minor ECU updates for emissions refinement, creating no significant interchange limits. All adaptations are documented in OEM technical bulletins.
The CAVE – Petrol's primary reliability risk is high-pressure fuel pump (HPFP) failure, with elevated incidence in vehicles using lower-grade fuel or exceeding service intervals. Volkswagen service data indicates a notable number of failures linked to fuel quality, while timing chain issues are less common but documented in neglected examples. Adherence to specified oil type and change intervals makes chain longevity highly probable.
Analysis derived from Volkswagen technical bulletins (2012-2015) and UK DVSA failure statistics (2015-2023). 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 CAVE engine is generally robust when maintained correctly. Its main weakness is the high-pressure fuel pump, which can fail prematurely with poor fuel or infrequent servicing. Using premium fuel and adhering to oil change intervals with the correct VW-spec oil significantly enhances long-term reliability and prevents timing chain issues.
The most frequent issues are high-pressure fuel pump (HPFP) failure, potential timing chain tensioner wear (if oil is neglected), intake manifold runner control (IMRC) actuator faults, and minor oil leaks from gaskets. These are well-documented in Volkswagen service literature and owner reports.
This 1.4 TSI engine was used in higher-trim variants of the seventh-generation Golf (Mk7 GT), sixth-generation Jetta (A6 Highline/Sport), and the R-Line Beetle (A5) from approximately 2012 to 2015. It was specifically the 140 PS variant of the 1.4 TSI family for these models during that production period.
Yes, the CAVE engine responds very well to ECU remapping. Stage 1 tunes can safely increase power to around 180-190 PS and torque to 300 Nm, utilizing the robust stock internals and turbocharger. More aggressive tuning requires supporting modifications. Always ensure the engine is in good health before tuning.
Official combined figures are around 5.7 L/100km (50 mpg UK). Real-world consumption typically ranges from 6.8–8.5 L/100km (33–42 mpg UK) depending on driving style and conditions. Highway driving yields the best economy, while spirited city driving increases consumption.
Yes. The Volkswagen CAVE is an interference engine. If the timing chain were to fail or jump significantly, the pistons would collide with the open valves, causing severe internal engine damage. This underscores the importance of using the correct oil and addressing any chain rattle immediately.
Volkswagen mandates oil meeting VW 502 00 or 504 00 specifications, typically SAE 5W-30 or 5W-40. Using the correct oil is critical for protecting the timing chain, turbocharger, and high-pressure fuel pump. Never use generic or non-approved oils, as this can lead to premature wear and failure.
Comprehensive technical documentation and regulatory references
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DVLA: Engine Changes & MoT
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Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
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