Chery SQR477F ACTECO Vehicle Engine Assembly 2.0L DOHC MPI Gasoline Engine
1. Overview The SQR484F is a 2.0L naturally aspirated gasoline engine from Chery’s ACTECO series, jointly developed with Austrian engineering firm AVL. Two versions were produced: early single intake VVT, and later upgraded DVVT (dual intake & exhaust variable valve timing), generally named SQR484F VVT in the market. Mass production and vehicle matching started around 2010, targeted at midsize sedans and compact family SUVs, positioned as a durable, low-cost maintenance NA powertrain. 2. Main Technical Parameters
| Item | Specification |
|---|---|
| Specification | ACTECO 2.0L DOHC MPI Naturally Aspirated |
| Model | SQR484F (VVT / DVVT) |
| Layout | Inline 4-cylinder, water-cooled 4-stroke, DOHC, 4 valves per cylinder |
| Displacement | 1971 cc (2.0L) |
| Bore × Stroke | 83.5 mm × 90 mm |
| Compression Ratio | 10.5:1 |
| Fuel System | MPI multi-point electronic port injection, non-turbo, no direct injection |
| Max Power | 102 kW (139 HP) @ 5750 rpm |
| Peak Torque | 182 N·m @ 4500 rpm |
| Oil Capacity | 4.5–5 L; Factory recommended oil: 5W-40 |
| Timing Drive | Rubber timing belt (requires regular replacement, not timing chain) |
| Block & Head | Full aluminum alloy with trapezoidal main bearing caps, lightweight design |
| Emission Standard | Mainly China National IV, partial facelift models reach China National V |
| Core Technology | VVT / DVVT Variable Valve Timing, Full Aluminum Lightweight Architecture, DOHC 4-Valve Design |
| Applicable Models | SUV — Tiggo 3 2.0L, full range Tiggo; Sedan — Eastar, A5, Cowin |
Fuel ConsumptionCity congested roads: 11–13 L/100km (higher for heavy SUV bodies)Constant highway cruise: 7.5–9 L/100kmRunning cost can be greatly reduced after LPG modification.
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