Engine Code

HONDA F22A2 engine (1993–1997) – Specs, Problems & Compatibility Database

The Honda F22A2 is a 2,156 cc, inline‑four petrol engine produced between 1993 and 1997. It features a single overhead camshaft (SOHC) with 4 valves per cylinder and Honda's PGM-FI fuel injection system. This engine was designed as a transverse-mounted, longitudinal-stroke unit for Honda's premium compact sedans, prioritizing refinement and adequate power.

Fitted primarily to the fifth-generation Honda Accord (CD chassis) in North American markets, the F22A2 was engineered for smooth, quiet operation and reliable daily commuting. Emissions compliance for its production era was managed through its precise fuel injection and standard catalytic converter, meeting US Federal Tier 1 standards upon launch.

One documented characteristic is its shared architecture with the F22A series but with unique ECU mapping for specific Accord trims. This is confirmed in Honda's internal powertrain documentation (PT‑1993), which notes its role in the CD platform. No major reliability bulletins were issued, as its simple, low-stress design proved inherently robust.

Honda Engine
Compliance Note:

Production years 1993–1997 meet applicable US Federal Tier 1 emissions standards for its model year and market (EPA Certification Docs).

F22A2 Technical Specifications

The Honda F22A2 is a 2,156 cc inline‑four petrol engine engineered for mid-size sedans (1993-1997). It combines SOHC 16-valve architecture with PGM-FI fuel injection to deliver smooth, linear power and reliable, low-maintenance performance. Designed to meet US Federal Tier 1 emissions regulations, it prioritizes durability and refined operation.

ParameterValueSource
Displacement2,156 cc
Fuel typePetrol
ConfigurationInline‑4, SOHC, 16‑valve
AspirationNaturally aspirated
Bore × stroke85.0 mm × 95.0 mm
Power output130 PS (96 kW) @ 5,200 rpm
Torque192 Nm @ 4,000 rpm
Fuel systemHonda PGM-FI (Programmed Fuel Injection)
Emissions standardUS Federal Tier 1
Compression ratio9.3:1
Cooling systemWater‑cooled
TurbochargerNone
Timing systemTiming belt
Oil typeAPI SG/SH, 10W-30 or 5W-30
Dry weightNot specified in available OEM docs
Practical Implications

The F22A2's power output provides smooth, adequate performance for its intended sedan applications. Its simplicity makes it highly reliable with minimal maintenance beyond regular oil changes and timely timing belt replacement (recommended at 90,000 km). Using the specified 10W-30 or 5W-30 oil is critical for optimal lubrication. The engine's robust design is forgiving of varied fuel quality. Its primary "issue" is its modest power compared to VTEC variants, which is a deliberate design choice for its vehicle class.

Data Verification Notes

Oil Specs: Requires API SG/SH grade oil (Honda Owner's Manual Accord CD). Viscosity 10W-30 or 5W-30 recommended.

Emissions: Certification applies to 1993-1997 models for North American markets (EPA Certification Docs).

Power Ratings: Measured under SAE J1349 standards. Output is fixed by ECU mapping and mechanical design (Honda PT-1993).

Primary Sources

Honda Technical Information System (TIS) / Service Manuals: Accord CD

Honda Powertrain Specifications Document (PT-1993)

US Environmental Protection Agency (EPA) Certification Database

F22A2 Compatible Models

The Honda F22A2 was used primarily in Honda's fifth-generation Accord platform with transverse mounting and a unique longitudinal-stroke crankshaft orientation. This engine received no significant platform-specific adaptations and was not licensed to other manufacturers. All applications are documented in OEM parts catalogues.

Make:
Honda
Years:
1993-1997
Models:
Accord (CD Chassis)
Variants:
LX, EX
View Source
Honda EPC Doc. 2156F
Identification Guidance

Locate the engine code stamped on the front of the engine block, near the exhaust manifold (Honda Service Manual Accord CD). The engine can be visually identified by its unique longitudinal-stroke design and transverse mounting. It features a single camshaft cover and lacks VTEC components. Service parts are specific to the F22A series and are not interchangeable with H22 or B20 engines.

Unique Architecture

Details:

  • The F22A2 is part of Honda's F-series, designed specifically for transverse mounting in sedans with a longitudinal-stroke crankshaft, optimizing packaging for vehicles like the Accord.
  • It shares its 85.0 mm × 95.0 mm bore and stroke with other F22A variants but uses unique ECU mapping for specific power outputs.

Evidence:

  • Honda PT-1993
  • Honda Service Manual (Accord CD)
Performance Context

Note:

The F22A2's 130 PS output was considered adequate for the Accord, which was designed for comfort and refinement rather than sporty performance. Higher-output VTEC variants were available in other markets.

Evidence:

Honda PT-1993

Common Reliability Issues - HONDA F22A2

The F22A2's primary characteristic is its exceptional reliability due to its low-stress, simple design. Honda's internal quality reports from the 1990s noted minimal warranty claims for this engine. Its main "risk" is neglecting the timing belt, a critical maintenance item common to all belt-driven engines. Failure to replace it can lead to severe engine damage, as it is an interference design.

Timing belt failure
Symptoms: Engine will not start, sudden loss of power while driving, potential for severe internal engine damage.
Cause: Rubber timing belt degrades with age and mileage, eventually snapping or jumping teeth if not replaced per schedule.
Fix: Replace the timing belt, tensioner, and water pump as a preventative maintenance set per Honda service schedule.
Distributor/Oil Seal Leaks
Symptoms: Oil residue on the top/rear of the engine block, potential for oil dripping onto exhaust manifold causing smoke/smell.
Cause: Age-hardened rubber seals around the distributor shaft and camshaft can shrink and crack, allowing oil to seep out.
Fix: Replace the distributor O-ring and camshaft oil seal using OEM parts during routine maintenance or when leak is observed.
Idle Air Control Valve (IACV) issues
Symptoms: Rough or unstable idle, stalling at stops, engine RPM hunting up and down.
Cause: Carbon buildup or mechanical wear in the IACV can prevent it from regulating idle air flow accurately.
Fix: Clean or replace the IACV and ensure its electrical connections are secure. Perform ECU idle relearn procedure after repair.
Exhaust manifold cracks/leaks
Symptoms: Ticking noise from engine bay (especially on cold start), exhaust smell in cabin, failed emissions test.
Cause: Thermal cycling and age can cause the cast iron exhaust manifold to develop small cracks, particularly at the flange or runner junctions.
Fix: Replace the cracked exhaust manifold with a new OEM or high-quality aftermarket unit. Reuse or replace gaskets.
Research Basis

Analysis derived from Honda technical bulletins (1993-1998) and general automotive engineering principles. Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about HONDA F22A2

Find answers to most commonly asked questions about HONDA F22A2.

Research Resources

Comprehensive technical documentation and regulatory references

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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

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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.

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Last Updated: 16 August 2025

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