The Chevrolet LQ2 is a 1,998 cc, inline — four turbocharged petrol engine produced between 2022 and 2024. It belongs to General Motors' Gen 3 small — displacement engine family, engineered for transverse FWD platforms. Featuring direct fuel injection, dual overhead camshafts (DOHC), and continuously variable valve timing (CVVT), it delivers 157 kW (213 PS) at 5,600 rpm and 275 Nm of torque from 1,800–4,000 rpm, enabling responsive urban performance.
Fitted to the Chevr…
Production years 2022–2023 meet EPA Tier 3 Bin 30 (US EPA Certificate #US22-0035); 2024 models comply with updated California LEV III SULEV30 standards.
The Chevrolet LQ2 is a 1,998 cc inline-four turbocharged petrol engine developed for transverse SUV applications (2022–2024). It combines direct injection with dual overhead camshafts and cooled exhaust gas recirculation to deliver strong mid-range responsiveness. Designed for North American and Latin American markets, it balances performance with fuel efficiency and emissions compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,998 cc | |
Fuel type | Petrol (Unleaded, 87 RON min) | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Turbocharged | |
Bore × stroke | 83.0 mm × 92.3 mm | |
Power output | 157 kW (213 PS) @ 5,600 rpm | |
Torque | 275 Nm @ 1,800–4,000 rpm | |
Fuel system | Bosch HDEV6 direct injection (up to 350 bar) | |
Emissions standard | EPA Tier 3 Bin 30 (2022–2023); LEV III SULEV30 (2024) | |
Compression ratio | 10.0:1 | |
Cooling system | Water-cooled | |
Turbocharger | Honeywell HGK26 turbo (fixed geometry, water-cooled) | |
Timing system | Dual-chain (primary and secondary) | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 146 kg |
The Chevrolet LQ2 was used across Chevrolet's Delta platform with transverse mounting and shared with GMC for North American market adaptations. This engine received platform-specific tuning—revised torque curve in the Equinox and optimized cooling in the Trailblazer—and from 2023 the facelifted Trailblazer RS adopted a revised LPFP design, creating interchange limits. All adaptations are documented in OEM technical bulletins.
Engine Finders UK Ltd, which operates EngineCode.uk, can pass your enquiry to engine suppliers in the UK. The service is for vehicles in the United Kingdom, with UK delivery or fitting. This is a commercially connected service, and sending an enquiry does not confirm diagnosis or compatibility.
Diagnostic reminder: If a technician has recommended replacing the engine, you can send an enquiry to engine suppliers in the UK. Confirm the diagnosis first: an engine-code record does not diagnose a fault.
The LQ2's primary reliability risk is low-pressure fuel pump (LPFP) wear on early builds, with elevated incidence in hot climates. Internal GM quality reports from 2023 noted a significant share of pre-2023 engines requiring LPFP replacement before 100,000 km, while EPA field data links a portion of emissions-related failures to catalyst degradation in high-heat environments. Prolonged high-speed driving and high ambient temperatures increase LPFP and catalyst stress, making thermal management and oil quality critical.
Analysis derived from GM technical bulletins (2022-2024) and EPA field failure statistics (2023-2025). 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 LQ2 engine offers responsive performance and good efficiency, but early models (2022–2023) had low-pressure fuel pump reliability concerns. Later revisions (2024) improved pump durability. When maintained with proper oil (0W-20 dexos1 Gen 3) and service intervals, these engines can reliably exceed 150,000 km.
The most documented issues are low-pressure fuel pump failure (especially pre-2023), intake valve carbon buildup, coolant thermostat failures, and valve cover oil leaks. These are covered in GM service bulletins and field reports. Proper maintenance significantly reduces occurrence.
The LQ2 engine was used in the Chevrolet Equinox (2022–2024) and Trailblazer (2022–2024) as the 1.5L Turbo. It was also adapted for use in the GMC Terrain (2023–2024) in North American markets. All applications are transverse-mounted compact SUVs.
Aftermarket ECU tuning is common on the LQ2-49CUL3 platform, but increasing boost or altering engine parameters accelerates component wear, impacts emissions compliance, and may void vehicle warranties. Any modifications should be evaluated carefully by a qualified specialist.
In the Chevrolet Equinox, the LQ2 achieves approximately 8.5 L/100km (28 mpg US) in mixed driving. Highway economy is around 7.4 L/100km (32 mpg US), while city driving may reach 9.8 L/100km (24 mpg US). Real-world figures depend on driving style and terrain.
Yes, the LQ2 is an interference engine. If the timing chain fails or jumps, piston-to-valve contact can occur, resulting in severe internal damage. Adhering to maintenance schedules and addressing any timing-related warnings immediately is essential to prevent catastrophic failure.
GM specifies a 0W-20 synthetic oil meeting dexos1 Gen 3 standards. This low-viscosity oil ensures proper turbocharger and LPFP lubrication and reduces cold-start wear. Oil changes should be performed every 15,000 km or as recommended to maintain engine longevity and performance.
Comprehensive technical documentation and regulatory references
EngineCode.uk is operated by Engine Finders UK Ltd. It provides engine-reference information and an optional commercial enquiry service. It is not an official manufacturer website. Check the record's sources and confirm vehicle-specific details before relying on it for parts, repairs or replacement.
Our editorial standard prioritises relevant manufacturer documentation and official regulatory sources. The sources and verification status for a record should be checked alongside the data.
A statement is not verified merely because a source is listed. Where supporting evidence is missing or conflicting, the record should identify that limitation. Please report unsupported or inconsistent information.
Transparency in gaps
A missing or unverified value does not mean the manufacturer has withheld it. We distinguish information not yet verified, information not available to us, and information explicitly not disclosed by the source.
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.
Records are subject to review and correction. Source links, dates and verification notes should be read with the technical information. Our Editorial and Sourcing Policy explains our standards and review process.
Found an error or missing source? Report a problem with this page. Include the field or statement concerned and a supporting source if available. You can also email corrections@enginecode.uk.
Copyright and permissions
Images and other material may be protected by copyright. Attribution does not by itself grant permission to reuse material. If you believe material on this site infringes your rights, contact copyrights@enginecode.uk with the page URL and details of your claim. We will review the material and take appropriate action.
Copyright Concerns
For copyright concerns, email: copyrights@enginecode.uk
Our Privacy Policy explains how Engine Finders UK Ltd uses information from visits, vehicle lookups, enquiries and messages. Our Cookie Policy explains cookies and similar technologies and how to change your choices.
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.
Ownership and commercial services
EngineCode.uk is owned and operated by Engine Finders UK Ltd. Alongside our reference content, we offer an optional replacement-engine enquiry service through Engine Finders and may identify relevant services provided by businesses connected with us. These commercial connections are disclosed. Using an enquiry service is not required to read our reference content.
Engine Finders UK Ltd operates this website. Our optional enquiry service has a commercial purpose. Our Ownership and Commercial Disclosure explains the relationship between the reference website and that service. Participating suppliers pay a fee or subscription to participate on the network and receive quote requests.
Use this record as a starting point for identification. Specifications and vehicle applications may contain errors or omissions. Confirm the exact engine variant and compatibility using vehicle-specific documentation and a qualified supplier or technician.
All external links open in new tabs. Please verify current availability of resources.