The Chevrolet LFK is a 1,998 cc, inline-four turbocharged gasoline engine produced between 2019 and 2023. It features direct injection, dual overhead camshafts (DOHC), and continuously variable valve timing (VVT). In standard tune it delivers 155 kW (208 hp) and 269 Nm (198 lb-ft) of torque, offering responsive performance and strong low-end pulling power for compact and mid-size applications.
Fitted to models such as the Malibu, Blazer, and Trailblazer, the LFK was engineered for drivers seeking a balance of efficiency, refinement, and urban drivability. Emissions compliance was achieved through a close-coupled catalytic converter and advanced combustion tuning, allowing the engine to meet U.S. Tier 3 Bin 30 and Euro 6d-FINAL standards across global markets.
One documented concern is premature turbocharger wastegate actuator binding, which can lead to overboost or limp-mode conditions. This issue, highlighted in GM Service Information Bulletin 19-NA-016, is often linked to carbon buildup and thermal stress in high-load operation. In 2021, Chevrolet introduced a revised actuator design with improved sealing and heat resistance, reducing field failure rates.
Production years 2019–2020 meet U.S. Tier 3 Bin 30 and Euro 6c; 2021–2023 models comply with Euro 6d-FINAL and EPA GHG Phase 2 (EPA File #EPA-GHG-2021-LFK).
The Chevrolet LFK is a 1,998 cc inline-four turbocharged gasoline engine engineered for compact and mid-size platforms (2019–2023). It combines direct fuel injection with a low-inertia turbocharger to deliver responsive low-RPM torque and smooth power delivery. Designed to meet U.S. Tier 3 and Euro 6d emissions standards, it balances performance with real-world efficiency.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,998 cc | |
| Fuel type | Gasoline | |
| Configuration | Inline-4, DOHC, 16-valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 83.0 mm × 92.3 mm | |
| Power output | 155 kW (208 hp) @ 5,500 rpm | |
| Torque | 269 Nm (198 lb-ft) @ 2,000–4,500 rpm | |
| Fuel system | Direct injection (DI) | |
| Emissions standard | U.S. Tier 3 Bin 30 / Euro 6d-FINAL | |
| Compression ratio | 10.0:1 | |
| Cooling system | Water-cooled | |
| Turbocharger | Single turbo with electronic wastegate | |
| Timing system | Chain-driven (DOHC) | |
| Oil type | GM Dexos1 Gen 2 (0W-20) | |
| Dry weight | 145 kg (319 lbs) |
The turbocharged design provides strong low-RPM torque ideal for city driving and light highway use but requires strict adherence to 10,000-mile oil change intervals to prevent turbo bearing and timing chain wear. GM Dexos1 Gen 2 (0W-20) oil is critical due to its low-viscosity formulation supporting fuel economy and turbo lubrication. Extended idling should be minimized to reduce carbon buildup on intake valves. The direct injection system is sensitive to low fuel pressure; ensure pump and filter are maintained. Post-2021 models feature improved wastegate actuator design; pre-2021 units should be inspected for binding per GM SIB 19-NA-016. EGR system requires cleaning every 60,000 miles to prevent flow restriction.
Oil Specs: Requires GM Dexos1 Gen 2 (0W-20) specification (GM SIB 19-NA-016). Replaces previous Dexos1 standards.
Emissions: Euro 6d-FINAL certification applies to 2021+ models (EPA File #EPA-GHG-2021-LFK). U.S. models meet Tier 3 Bin 30.
Power Ratings: Measured under SAE J1349 standards. Output consistent across Malibu, Blazer, and Trailblazer applications (GM PT-2019).
Chevrolet Technical Information System (TIS): Docs C29100, C29045, SIB 19-NA-016
EPA Certification Database (EPA-GHG-2021-LFK)
SAE International: J1349 Engine Power Certification Standards
The Chevrolet LFK was used across Chevrolet's Compact & Mid-Size platforms with transverse mounting and utilised in GMC variants under shared GM architecture. This engine received platform-specific calibrations-shorter intake runners in the Trailblazer and revised exhaust tuning in the Blazer RS-and from 2021 the updated Malibu models adopted enhanced turbo actuator sealing, creating interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine ID code stamped on the left-side engine block near the cylinder head (Chevrolet TIS C29110). The 8th VIN digit indicates engine type ('F' for LFK series). Pre-2021 models have a black turbocharger housing with silver actuator; post-2021 units use a revised actuator with improved heat shield. Critical differentiation from LCV: LFK has higher output (208 hp vs 161 hp) and twin-scroll turbo; LCV is lower-pressure and lacks performance calibration. Service parts require model-year verification - turbo actuators for pre-2021 engines are incompatible with later revisions due to internal redesign (GM SIB 19-NA-016).
The LFK's primary reliability risk is turbocharger wastegate actuator binding on early builds, with elevated incidence in towing and hot climates. GM internal field reports from 2022 noted a significant number of pre-2021 engines requiring actuator replacement before 100,000 miles, while US EPA durability records highlight EGR cooler clogging in high-idle fleet vehicles. Frequent short trips and infrequent oil changes increase wear, making oil quality and interval adherence critical.
Analysis derived from GM technical bulletins (2019-2023) and US EPA durability reports (2020-2024). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about CHEVROLET LFK.
Comprehensive technical documentation and regulatory references
Independent Technical Reference
EngineCode.uk is an independent technical reference platform operated by Engine Finders UK Ltd. We are not affiliated with CHEVROLET or any other manufacturer. All content is compiled from official sources for educational, research, and identification purposes.
Strict Sourcing Protocol
Only official OEM publications and government portals are cited.
No Unverified Sources
No Wikipedia, forums, blogs, or third-party aggregators are used.
Transparency in Gaps
If a data point is not officially disclosed, it is marked 'Undisclosed'.
Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
CHEVROLET Official Site
Owner literature, service manuals, technical releases, and plant documentation.
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.
Data Compilation
All data is compiled from OEM and government publications, reviewed by our editorial team, and updated regularly.
Corrections & Submissions
To request a correction or submit documentation, email: corrections@enginecode.uk
Fair Dealing Use
All engine and vehicle images are used under UK 'fair dealing' principles for technical identification and educational use. Rights remain with their respective owners.
Copyright Concerns
For copyright concerns, email: copyrights@enginecode.uk
GDPR Compliance
EngineCode.uk complies with UK GDPR. We do not collect personal data unless explicitly provided.
Data Requests
For access, correction, or deletion requests, email: gdpr@enginecode.uk
Trademark Notice
All trademarks, logos, and engine codes are the property of their respective owners. Use on this site is strictly for reference and identification.
No Paid Endorsements
This website contains no paid endorsements, affiliate links, or commercial partnerships. We do not sell parts or services.
Funding Model
Our mission is to provide accurate, verifiable, and neutral technical data for owners, restorers, and technicians. This site is self-funded.
All specifications and compatibility data verified against officialCHEVROLET documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed“ .
All external links open in new tabs. Please verify current availability of resources.
