Overview & Design Features
The Chery SQR473F is a naturally aspirated 1.5-liter, four-cylinder gasoline engine developed by Chery Automobile Co., Ltd. Originating from an era of significant expansion for Chinese automotive manufacturers, this engine represents a foundational powerplant for many of Chery’s entry-level and mid-range vehicles across various markets. With a displacement of 1497 cubic centimeters, the SQR473F is engineered for efficiency and dependable performance, catering to the demands of compact sedans, hatchbacks, and small SUVs. Its historical significance lies in its widespread adoption, serving as a workhorse for the brand and demonstrating Chery’s capabilities in independent engine production and refinement.
The SQR473F engine features an aluminum alloy cylinder head paired with a cast iron cylinder block, a common combination balancing weight reduction with durability. This configuration provides a robust foundation for consistent operation. Fuel delivery is managed by a multi-point fuel injection (MFI) system, offering a balance of fuel economy and power output suitable for its application range. A significant engineering feature is the Double Overhead Camshaft (DOHC) valvetrain with 16 valves (four per cylinder), which often incorporates Variable Valve Timing (VVT) technology on later iterations. VVT optimizes valve lift and duration for improved combustion efficiency across different engine speeds, enhancing both power and fuel economy, particularly in daily driving scenarios.
The Chery SQR473F engine has been extensively deployed across a wide array of Chery’s vehicle lineup. Notable models utilizing this powerplant include the Chery A3 (J3/Cielo), where it was a primary engine option, the Fulwin 2 (Storm 2), and the Chery Bonus (A13) and Very (A13) models. It also found application in the Chery E5 sedan and the compact Tiggo 3x (Tiggo 2) SUV, as well as the Arrizo 3 and Arrizo 5 sedans in various trims and production years throughout the late 2000s and into the 2010s. Its versatility allowed it to power vehicles designed for both domestic and international markets, contributing significantly to Chery’s global sales volume.
Technical Specifications
| Displacement | 1497 cc |
| Max Power | 107 hp (78.7 kW) @ 6000 RPM |
| Max Torque | 140 Nm (14.3 kg*m) @ 3000-4500 RPM |
| Fuel Type | Unleaded Gasoline (Petrol), RON 92 or higher recommended |
| Fuel Consumption | Approx. 6.5 – 7.5 l/100 km (combined cycle, varies by vehicle application) |
| Engine Type | Inline 4-cylinder, naturally aspirated |
| Compression Ratio | 10.5:1 |
| Cylinder Bore | 77.4 mm |
| Piston Stroke | 79.5 mm |
| Valvetrain | DOHC (Double Overhead Camshaft) |
| Valves per Cylinder | 4 |
| Additional Info | Multi-point Fuel Injection (MFI), Variable Valve Timing (VVT) on most versions, Timing Chain |
Common Problems & Reliability
The Chery SQR473F, while generally considered a robust and straightforward engine, does exhibit a few common issues over its service life, particularly as mileage accumulates. One frequently reported concern involves the VVT system solenoids. Malfunctioning solenoids can lead to irregular engine idle, reduced fuel economy, and a noticeable decrease in power output, often triggering a “Check Engine” light. This typically manifests after 80,000 to 120,000 kilometers and usually requires solenoid replacement.
Another area of potential concern involves sensor failures, particularly the oxygen sensors and crankshaft/camshaft position sensors. These failures can result in erratic engine behavior, starting difficulties, or poor emissions performance. While not indicative of a fundamental mechanical flaw, replacement can be necessary for optimal engine function. Minor oil leaks from valve covers or oil pan gaskets may also appear on higher mileage examples, attributable to aging seals and gaskets.
Under proper and consistent maintenance, including regular oil changes and timely fluid flushes, the Chery SQR473F engine is designed for a realistic service life of approximately 200,000 to 250,000 kilometers before requiring major internal repairs or an overhaul. Engines with a diligent service history and responsible driving habits can exceed these figures.
Maintenance Tips & Service Schedule
To ensure the longevity and optimal performance of the Chery SQR473F engine, adherence to a consistent maintenance schedule is critical. The most fundamental aspect is regular engine oil and filter replacement. It is recommended to use a high-quality synthetic or semi-synthetic engine oil with a viscosity grade such as 5W-30 or 5W-40, specified by the manufacturer, every 8,000 to 10,000 kilometers or every 6-12 months, whichever comes first. Harsh driving conditions or frequent short trips may necessitate more frequent changes.
Spark plugs should be inspected and replaced every 40,000 to 60,000 kilometers, using iridium or platinum-tipped plugs where specified, to maintain efficient combustion and prevent misfires. The SQR473F utilizes a timing chain, which typically does not require scheduled replacement like a timing belt. However, the timing chain and its tensioners should be inspected for wear and noise at approximately 150,000 to 200,000 kilometers. Coolant flushes and replacement are advised every 2-3 years or 50,000-60,000 kilometers to prevent corrosion and maintain cooling system efficiency. Air filter and fuel filter replacement should align with manufacturer recommendations, generally every 20,000-40,000 kilometers for the air filter and potentially longer for the fuel filter depending on its location and type.
Conclusion
The Chery SQR473F engine stands as a testament to Chery’s efforts in producing reliable and cost-effective powertrains for its vehicle range. Its straightforward design, coupled with technologies like DOHC and VVT, provides a balanced combination of performance and fuel efficiency suitable for compact vehicles. While susceptible to common wear items such as VVT solenoids and various sensors over extended mileage, these issues are generally addressable without significant expense. For a used vehicle buyer, an SQR473F-equipped car can be a safe and reliable choice, provided a thorough pre-purchase inspection confirms a history of consistent maintenance. Engines that have been well-cared for offer a durable and economical driving experience, making them a practical option in the used car market.