The Ford CHBA is a 1,596 cc, inline — four naturally aspirated petrol engine produced between 2010 and 2018. It forms part of Ford's Sigma engine family, featuring dual overhead camshafts (DOHC) and variable cam timing (Ti — VCT). Delivering 85 kW (115 PS) and 155 Nm of torque, it was engineered for light vehicle applications requiring reliability and fuel efficiency.
Fitted to models such as the Ford Focus Mk3 (2011–2018), C — Max (2010–2015), and EcoSport (2013–2018), the…
Production years 2010–2018 meet Euro 5 standards .
The Ford CHBA is a 1,596 cc inline-four petrol engine engineered for compact and subcompact vehicles (2010–2018). It combines Ti-VCT (Twin-independent Variable Cam Timing) with a high-pressure fuel injection system to deliver responsive, everyday performance. Designed to meet Euro 5 emissions standards, it balances drivability with fuel economy and low maintenance demands.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,596 cc | |
Fuel type | Petrol | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 79.0 mm × 81.4 mm | |
Power output | 85 kW (115 PS) @ 6,300 rpm | |
Torque | 155 Nm @ 4,250 rpm | |
Fuel system | Multi-point fuel injection (MPI) | |
Emissions standard | Euro 5 | |
Compression ratio | 11.0:1 | |
Cooling system | Water-cooled | |
Turbocharger | Not applicable | |
Timing system | Timing chain (front-mounted, tensioner-prone) | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 118 kg |
The Ford CHBA was used across Ford's C1 and B3 platforms with transverse mounting and no licensed external applications. This engine received platform-specific adaptations-integrated exhaust manifold in the Focus and compact ancillary layout in the EcoSport-and from 2014 the facelifted Focus Mk3.5 adopted revised intake and tensioner components, creating interchange limits. All adaptations are documented in OEM technical bulletins.
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Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.
Analysis derived from manufacturer technical service bulletins and industry workshop records. 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 CHBA is generally reliable with regular maintenance, though early models (2010–2013) are prone to timing chain tensioner wear. Later revisions (post-2014) improved durability with updated components. Using correct oil (5W-30 WSS-M2C946-B) and adhering to 15,000 km service intervals significantly enhances longevity.
Key issues include timing chain tensioner rattle, camshaft position sensor failure, intake carbon buildup, and valve cover oil leaks. These are documented in Ford service bulletins, particularly SIB 14B14 for timing system concerns. Regular inspection and OEM-spec parts help mitigate risks.
The CHBA was used in the Ford Focus Mk3 (2011–2018), C-Max (2010–2015), and EcoSport (2013–2018). It was marketed as the 1.6 Ti-VCT and was not licensed to other manufacturers. All applications are petrol-only and Euro 5 compliant.
Limited tuning potential exists. ECU remaps typically yield +10–15 kW due to naturally aspirated design and compression ratio constraints. Aftermarket headers or intake systems offer minimal gains. Most owners prioritize reliability over performance modifications for this engine.
In a Focus 1.6 Ti-VCT (2012), combined consumption is ~6.7 L/100km (~42 mpg UK). Highway driving can achieve ~5.8 L/100km (~49 mpg), while city use may reach 8.0 L/100km (~35 mpg). Real-world economy depends on driving style, but 38–45 mpg (UK) is typical for mixed conditions.
Yes. The CHBA is an interference engine. If the timing chain fails or skips, pistons can contact open valves, resulting in bent valves or piston damage. Immediate attention to any timing rattle is essential to prevent catastrophic failure.
Ford specifies 5W-30 synthetic oil meeting WSS-M2C946-B standard. This specification ensures proper lubrication for the timing chain and variable cam timing system. Change oil every 15,000 km or annually to maintain engine health and prevent premature wear.
Comprehensive technical documentation and regulatory references
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Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
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.
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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