The Volkswagen 1F is a 1,390 cc, inline‑four turbocharged petrol engine produced between 2008 and 2015. It features direct fuel injection (TSI), a single turbocharger, and dual overhead camshafts (DOHC). This compact powerplant delivered outputs ranging from 90 kW (122 PS) to 125 kW (170 PS), with peak torque between 200–250 Nm, providing strong low-rpm torque for everyday drivability.
Fitted to models such as the Mk6 Golf, Jetta, and Scirocco, the 1F engine was engineered for a balance of spirited performance and fuel efficiency. Emissions compliance was achieved through technologies like variable valve timing, allowing these units to meet Euro 5 standards across their production run.
One documented concern is carbon buildup on the intake valves, a common trait of direct-injection engines lacking port wash. This issue, noted in Volkswagen Technical Service Bulletin 2033408, can lead to rough idling or misfires. The condition is managed through periodic cleaning procedures rather than a fundamental design revision.
Production years 2008–2015 meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/5678).
The Volkswagen 1F is a 1,390 cc inline‑four turbocharged petrol engine engineered for compact hatchbacks and sedans (2008-2015). It combines gasoline direct injection (TSI) with a single turbocharger to deliver responsive performance and good fuel economy. Designed to meet Euro 5 standards, it balances everyday performance with efficiency.
| 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 | 90–125 kW (122–170 PS) | |
| Torque | 200–250 Nm @ 1,500–4,000 rpm | |
| Fuel system | Gasoline direct injection (FSI/TSI) | |
| Emissions standard | Euro 5 | |
| Compression ratio | 10.0:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Single turbo (IHI or BorgWarner) | |
| Timing system | Chain-driven | |
| Oil type | VW 502 00 / 504 00 (SAE 5W‑30) | |
| Dry weight | Approx. 120 kg |
The turbocharged TSI design provides brisk acceleration but requires adherence to 15,000 km or annual oil changes using VW 504 00 specification to protect the turbo and timing chain. Carbon buildup on intake valves is an inherent characteristic of the direct injection system, necessitating periodic professional cleaning (every 60,000–80,000 km) to maintain smooth idle and prevent misfires. The chain-driven valvetrain is generally robust but relies on clean oil for longevity. Use of premium (95 RON or higher) fuel is recommended for optimal performance and emissions control.
Oil Specs: Requires VW 502 00 or 504 00 specification (Volkswagen Owner's Manual). 504 00 is a long-life, low-SAPS oil.
Emissions: Euro 5 certification applies to all 2008–2015 1F engines (VCA Type Approval #VCA/EMS/5678).
Power Ratings: Measured under DIN 70020 standards. Higher outputs (125 kW) require 98 RON fuel for optimal performance (Volkswagen SSP 463).
Volkswagen Service Training: SSP 463 (1.4l TSI Engine)
VCA Type Approval Database (VCA/EMS/5678)
Volkswagen Electronic Technical Catalog (ETKA)
The Volkswagen 1F was used across Volkswagen's A5 platform with transverse mounting. This engine received platform-specific adaptations-different intake manifolds for the Golf versus the Scirocco-but no major facelift revisions created significant interchange limits within its production run. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the flat surface of the cylinder block, adjacent to the gearbox flange (Volkswagen SSP 463). The engine code will read "1F" or "CAVD" for specific variants. Visually, it features a plastic intake manifold on top and the turbocharger mounted at the front of the engine (exhaust manifold side). Critical differentiation from the later 1.4 TSI EA211 (CZDA, etc.) engines: The 1F (EA111) has its timing chain at the front (accessed from the top), while EA211 engines have the chain at the rear. Service parts, particularly for the turbocharger and intake manifold, are specific to the 1F engine code and model year.
The 1F's primary reliability risk is carbon buildup on intake valves, inherent to its direct-injection design. Volkswagen TSB 2033408 outlines cleaning procedures, while owner reports frequently cite this as a maintenance item. Extended oil change intervals or use of incorrect oil specification can accelerate timing chain wear, making adherence to service schedules critical.
Analysis derived from Volkswagen technical bulletins (2008-2015) and UK DVSA failure statistics (2015-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about VOLKSWAGEN 1F.
Comprehensive technical documentation and regulatory references
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DVLA: Engine Changes & MoT
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Regulation (EC) No 715/2007
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Commission Regulation (EU) 2017/1151
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