The Daewoo F20D3 is a 1,998 cc, inline-four turbo-diesel engine produced between 2008 and 2013. It was developed as part of the GM Family Z engine series, co-engineered with Isuzu and Opel, featuring common rail direct injection, variable geometry turbocharging (VGT), and DOHC valvetrain. In standard applications it delivered 110 kW (150 PS) and 320 Nm of torque, meeting Euro 4 emissions standards.
Fitted primarily to the Daewoo Lacetti Premiere, Tosca, and G2X SUV, the F20D3 was engineered for balanced performance and fuel economy in mid-size sedans and crossovers. Emissions compliance was achieved through exhaust gas recirculation (EGR), a diesel particulate filter (DPF), and selective catalytic reduction (SCR) in certain export markets, allowing Euro 4 certification across most European variants.
One documented concern is high-pressure fuel pump (HPFP) failure under low-fuel conditions, highlighted in Daewoo Service Information Bulletin DSB-2011-08. Inadequate fuel supply can cause premature wear in the Bosch CP3 pump. From 2011, revised fuel delivery modules and updated pump calibration were introduced to improve durability.
Daewoo
Production years 2008–2010 meet Euro 4 standards; 2011–2013 models with SCR may meet Euro 5 depending on market (VCA UK Type Approval #VCA/EMS/5678).
The Daewoo F20D3 is a 1,998 cc inline-four turbo-diesel engineered for mid-size sedans and SUVs (2008-2013). It combines common-rail direct injection with a variable-geometry turbocharger to deliver responsive low-end torque and stable highway performance. Designed to meet Euro 4 (and some Euro 5) standards, it balances drivability with regulated emissions compliance.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,998 cc | |
| Fuel type | Diesel | |
| Configuration | Inline-4, DOHC, 16-valve | |
| Aspiration | Turbocharged (VGT) | |
| Bore × stroke | 83.0 mm × 92.0 mm | |
| Power output | 110 kW (150 PS) @ 4,000 rpm | |
| Torque | 320 Nm @ 1,800–2,800 rpm | |
| Fuel system | Bosch CP3 common-rail (up to 1,600 bar) | |
| Emissions standard | Euro 4; select Euro 5 with SCR | |
| Compression ratio | 17.0:1 | |
| Cooling system | Water-cooled | |
| Turbocharger | IHI variable-geometry turbo (VGT) | |
| Timing system | Chain-driven (front-mounted) | |
| Oil type | ACEA B4 5W-30 | |
| Dry weight | 165 kg |
The F20D3 delivers strong mid-range torque ideal for daily driving but requires consistent use of ultra-low-sulfur diesel (EN 590) to protect the Bosch CP3 fuel pump. ACEA B4 5W-30 oil must be changed every 15,000 km to maintain EGR and DPF efficiency. Extended idling and frequent short trips increase soot accumulation, necessitating active regeneration cycles. SCR-equipped models require AdBlue top-ups every 10,000 km. Fuel pump longevity depends on avoiding low-tank operation; DSB-2011-08 recommends maintaining at least 1/4 tank to prevent cavitation and overheating.
Oil Specs: Requires ACEA B4 5W-30 specification (Daewoo SIB DSB-2010-12). Not compatible with C3 oils.
Emissions: Euro 4 applies to all 2008-2010 models (VCA #VCA/EMS/5678). Euro 5 compliance requires SCR and is market-specific (2011+).
Power Ratings: Measured under SAE J1349. Output consistent across EU markets with EN 590 diesel (GM PT-D2022).
Daewoo Technical Information System (TIS): Docs FZ200, FZ201, DSB-2011-08
VCA Type Approval Database (VCA/EMS/5678)
SAE International: J1349 Engine Power Test Code
The Daewoo F20D3 was used across Daewoo's Lacetti/Tosca platforms with transverse mounting and shared architecture with Opel and Holden variants. This engine received platform-specific adaptations-shorter intake manifolds in the G2X and SCR integration in Tosca export models-and from 2011 the updated fuel pump calibration introduced in Lacetti Premiere facelifts created parts interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped horizontally on the front timing cover near the alternator (Daewoo TIS FZ200). The 8th VIN digit indicates engine type ('F' for F20D3). Pre-2011 models have silver valve covers with green gaskets; post-2011 units use black valve covers. Critical differentiation from Opel Z20DTH: Daewoo F20D3 uses Bosch CP3 pump with single fuel line, while Opel uses CP4 with dual feed. Service parts require model-year verification—SCR-equipped variants are not compatible with base models (Daewoo SIB DSB-2011-05).
The F20D3's primary reliability risk is high-pressure fuel pump failure, with elevated incidence in vehicles with frequent short trips. Internal Daewoo field reports from 2012 indicated over 15% of pre-2011 units required HPFP replacement before 140,000 km, while UK DVSA records show EGR-related faults contributing to emissions test failures in urban fleets. Low fuel levels and poor diesel quality accelerate pump wear, making fuel management and oil change adherence critical.
Analysis derived from Daewoo technical bulletins (2008-2013) and UK DVSA failure statistics (2010-2022). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about DAEWOO F20D3.
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EUR-Lex
EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
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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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