The Honda H22A5 is a 2,157 cc, inline‑four petrol engine produced between 1997 and 2001. It features a DOHC 16‑valve VTEC design, engineered for high — revving performance in Honda's premium sports sedans. Output is rated at 147 kW (200 PS) and 220 Nm, delivering a broad, exhilarating powerband ideal for spirited driving.
Fitted primarily to the fifth — generation Honda Accord (CD) Type R for the European and Japanese markets, the H22A5 was designed for enthusiasts priorit…
Honda
Production years 1997–2001 meet Euro 2 standards as per EU Directive 94/12/EC (VCA UK Type Approval #VCA/HON/7788).
The Honda H22A5 is a 2,157 cc inline‑four petrol engine engineered for premium sports sedans (1997-2001). It combines DOHC VTEC technology with PGM-FI fuel injection to deliver high-RPM power and responsive torque. Designed to meet Euro 2 emissions standards, it balances track-focused performance with daily reliability.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,157 cc | |
Fuel type | Petrol | |
Configuration | Inline‑4, DOHC, 16‑valve, VTEC | |
Aspiration | Naturally aspirated | |
Bore × stroke | 87.0 mm × 90.7 mm | |
Power output | 147 kW (200 PS) @ 6,800 rpm | |
Torque | 220 Nm @ 5,500 rpm | |
Fuel system | Honda PGM-FI (Multi-point injection) | |
Emissions standard | Euro 2 | |
Compression ratio | 10.6:1 | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Belt-driven | |
Oil type | API SJ/SL 5W-30 or 10W-30 | |
Dry weight | 155 kg |
The Honda H22A5 was used across Honda's CD platform with longitudinal mounting and was not licensed to other manufacturers. This engine received minor platform-specific adaptations-reinforced engine mounts and a performance-tuned ECU for the Accord Type R-creating no significant service part differences. All specifications are documented in OEM technical bulletins.
The H22A5's primary reliability risk is failure of the VTEC oil pressure switch, with elevated incidence in high-mileage or poorly maintained vehicles. Honda service data indicates this is a common cause for VTEC system malfunction, while owner reports frequently cite timing belt tensioner wear. Infrequent oil changes and use of incorrect viscosity can accelerate wear on the VTEC system, making adherence to the specified maintenance schedule critical.
Analysis derived from Honda technical bulletins (1997-2001) and aggregated European owner club failure reports (2001-2023). 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
Yes, the H22A5 is generally reliable long-term when properly maintained. Its DOHC VTEC design is robust and can easily surpass 250,000 km. The main concerns are the VTEC oil switch and timing belt system, both of which are inexpensive and straightforward to replace. Regular oil changes and valve adjustments are key to its longevity.
The most frequent issues are VTEC oil pressure switch failure (causing P1259 code), timing belt tensioner wear, neglected valve clearance adjustments, and water pump leaks. These are all typical wear items for an engine of this age and are straightforward to address.
The H22A5 was exclusively used in the fifth-generation Honda Accord Type R (chassis code CH1) for the European and Japanese markets from 1998 to 2001. It was not used in any other Honda model or standard Accord variant during this period.
Yes, the H22A5 responds exceptionally well to modifications. A performance exhaust header, cold air intake, and ECU remap can yield gains of 20-30 kW. More advanced builds involve head porting, high-lift cams, or forced induction. Its bottom end is very strong and can handle significant power increases without internal modifications.
Fuel economy is moderate for a performance engine. In a manual transmission Accord Type R, expect around 11.5 L/100km in the city and 7.5 L/100km on the highway, translating to approximately 25-38 mpg (UK) combined. Actual figures depend heavily on driving style and vehicle condition.
Yes. The Honda H22A5 is an interference engine. If the timing belt fails, the pistons will collide with the valves, causing catastrophic engine damage. This makes strict adherence to the 90,000 km timing belt replacement interval absolutely essential for engine survival.
Honda recommends using a high-quality 5W-30 or 10W-30 engine oil meeting API SJ or SL specifications. Using the correct viscosity is crucial for proper VTEC operation. Full synthetic oil is highly recommended for extended life and better protection, especially for performance use.
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 HONDA 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.
HONDA 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 officialHONDA 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.