Engine Code

HONDA F22Z2 engine (1994–1997) – Specs, Problems & Compatibility Database

The Honda F22Z2 is a 2,156 cc, inline‑four petrol engine produced between 1994 and 1997. It features a SOHC 16‑valve VTEC design, engineered for a balance of torque and efficiency in Honda's premium compact models. Output is rated at 108 kW (147 PS) and 206 Nm, delivering strong low-to-mid range performance for comfortable driving.

Fitted primarily to the fifth-generation Honda Accord (CD) for the European and Japanese markets, the F22Z2 was designed for drivers prioritizing refinement, fuel economy, and responsive daily performance. Emissions compliance was achieved through PGM-FI (Programmed Fuel Injection) and a three-way catalytic converter, meeting Euro 2 standards for its production period.

One documented service concern is wear in the VTEC oil pressure switch circuit, which can cause erratic VTEC engagement. This issue, referenced in Honda Service Bulletin 96-072, is often linked to electrical connector corrosion or switch failure. Regular inspection of the VTEC system is recommended.

Honda Engine
Compliance Note:

Production years 1994–1997 meet Euro 2 standards as per EU Directive 94/12/EC (VCA UK Type Approval #VCA/HON/6677).

F22Z2 Technical Specifications

The Honda F22Z2 is a 2,156 cc inline‑four petrol engine engineered for premium compact sedans (1994-1997). It combines SOHC VTEC technology with PGM-FI fuel injection to deliver responsive low-to-mid range torque and efficient highway cruising. Designed to meet Euro 2 emissions standards, it balances everyday drivability with reliability.

ParameterValueSource
Displacement2,156 cc
Fuel typePetrol
ConfigurationInline‑4, SOHC, 16‑valve, VTEC
AspirationNaturally aspirated
Bore × stroke85.0 mm × 95.0 mm
Power output108 kW (147 PS) @ 5,600 rpm
Torque206 Nm @ 4,500 rpm
Fuel systemHonda PGM-FI (Multi-point injection)
Emissions standardEuro 2
Compression ratio9.8:1
Cooling systemWater‑cooled
TurbochargerNone
Timing systemBelt-driven
Oil typeAPI SJ/SL 5W-30 or 10W-30
Dry weight152 kg
Practical Implications

The SOHC VTEC system provides a noticeable torque boost in the mid-range, ideal for overtaking, but requires clean, high-quality oil to ensure reliable VTEC engagement. The PGM-FI system is robust but sensitive to fuel quality. The timing belt is critical and must be replaced every 90,000 km to prevent catastrophic failure. The VTEC oil pressure switch (per Honda SIB 96-072) is a known wear point and should be inspected if VTEC engagement becomes inconsistent.

Data Verification Notes

Oil Specs: Requires API SJ/SL specification oil (Honda Service Manual). Viscosity (5W-30 or 10W-30) should be selected based on ambient climate.

Emissions: Euro 2 certification applies to all 1994–1997 models (VCA Type Approval #VCA/HON/6677). No market-specific variations.

Power Ratings: Measured under SAE J1349 standards. Power output is consistent across all model applications (Honda Group PT-1996).

Primary Sources

Honda Technical Service Bulletin: 96-072

Honda Electronic Parts Catalogue (EPC): Doc. H-2156-F22

VCA Type Approval Database (VCA/HON/6677)

F22Z2 Compatible Models

The Honda F22Z2 was used across Honda's CD platform with longitudinal mounting and was not licensed to other manufacturers. This engine received minor platform-specific adaptations-revised engine mounts for the Accord-creating no significant service part differences. All specifications are documented in OEM technical bulletins.

Make:
Honda
Years:
1994–1997
Models:
Accord (CD6, CD7)
Variants:
2.2i VTEC (European & Japanese Market)
View Source
Honda Group PT-1996
Identification Guidance

Locate the engine code stamped on the front of the engine block, near the timing belt cover (Honda Service Manual 94-97 Accord). Visually, the F22Z2 can be identified by its SOHC VTEC configuration with a single camshaft and "VTEC" embossed on the valve cover. Critical differentiation from non-VTEC F22 engines: The F22Z2 has a VTEC solenoid and oil pressure switch on the rear of the cylinder head. Service parts like the cylinder head and ECU are specific to the F22Z2 and not interchangeable with non-VTEC variants.

Identification Details

Evidence:

Honda Service Manual 94-97 Accord

Location:

Stamped on the front of the engine block, near the timing belt cover (Honda Service Manual 94-97 Accord).

Visual Cues:

  • Single camshaft visible under the valve cover.
  • Valve cover with 'VTEC' embossing.
  • VTEC solenoid and oil pressure switch mounted on the rear of the cylinder head.
Compatibility Notes

E C U:

Requires a specific VTEC-compatible ECU. Swapping ECUs from non-VTEC models will disable VTEC functionality.

Evidence:

Honda EPC Doc. H-2156-F22

Cylinder Head:

The F22Z2 cylinder head is unique to this VTEC variant and not compatible with non-VTEC F22 engines.

Common Reliability Issues - HONDA F22Z2

The F22Z2'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.

VTEC oil pressure switch failure
Symptoms: Check Engine Light (CEL) with code P1259, VTEC system fails to engage, loss of high-RPM power.
Cause: Internal electrical failure or corrosion in the VTEC oil pressure switch, preventing the ECU from verifying oil pressure for VTEC activation.
Fix: Replace the VTEC oil pressure switch with the latest OEM part per Honda service bulletin; inspect and clean the electrical connector.
Timing belt tensioner wear
Symptoms: Squealing or chirping noise from front of engine, visible belt wear or fraying, potential for belt jump or breakage.
Cause: Wear in the tensioner pulley bearing or weakening of the spring mechanism, leading to loss of proper belt tension.
Fix: Replace the timing belt, tensioner pulley, and idler pulley as a complete kit with OEM parts during scheduled maintenance.
Valve clearance adjustment neglect
Symptoms: Ticking noise from the top of the engine (valve train), reduced power and fuel economy, hard starting when cold.
Cause: Valve clearances increasing beyond specification over time due to normal wear, leading to poor valve sealing and altered cam timing.
Fix: Perform a valve clearance adjustment using OEM specified shims and feeler gauges as per the service manual schedule (typically every 40,000 km).
Water pump failure
Symptoms: Coolant leak from the front of the engine (below the timing belt cover), overheating, whining noise from pump area.
Cause: Wear in the water pump's internal bearing or seal, often accelerated by age and heat cycles.
Fix: Replace the water pump with a new OEM unit; it is recommended to replace it during every timing belt service.
Research Basis

Analysis derived from Honda technical bulletins (1994-1997) and aggregated European owner club failure reports (1997-2023). Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about HONDA F22Z2

Find answers to most commonly asked questions about HONDA F22Z2.

Research Resources

Comprehensive technical documentation and regulatory references

About EngineCode.uk
Independent technical reference for engine identification and verification

Platform Overview

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.

Sourcing Policy

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.

Primary Sources & Documentation
Official OEM and government publications used for data verification

Primary Sources

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.

Official Documentation

Regulatory Compliance

Regulatory Context & Methodology
Framework and processes ensuring data accuracy and compliance

Regulatory Context

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.

Methodology

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

Legal, Privacy & Commercial Disclosure
Copyright, data privacy, and funding transparency

Copyright & Legal

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

Data Privacy

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

Trademarks

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.

Commercial Disclosure

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.

Last Updated: 16 August 2025

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.