The Honda D17A9 is a 1,689 cc, inline‑four petrol engine produced between 2001 and 2005. It features a single overhead camshaft (SOHC) with 4 valves per cylinder and Honda's VTEC-E system, which deactivates one intake valve per cylinder at low RPM for improved fuel efficiency. In standard form it delivered 120 PS, offering a balance of economy and adequate performance.
Fitted primarily to the seventh-generation Honda Civic (ES chassis) in European markets, the D17A9 was engineered for drivers prioritizing fuel economy without sacrificing drivability. Emissions compliance for its era was managed through its PGM-FI fuel injection and OBD-II diagnostics, meeting Euro 3 standards upon launch and Euro 4 for later production units.
One documented characteristic is its VTEC-E system, which provides a subtle transition rather than a dramatic power surge. This design, confirmed in Honda's internal powertrain documentation (PT‑2001), was intended to maximize efficiency in urban driving cycles. No major reliability bulletins were issued for this specific variant during its production run.

Honda
Production years 2001–2003 meet Euro 3 standards; 2004–2005 models meet Euro 4 standards (VCA UK Type Approval #VCA/HON/7890).
The Honda D17A9 is a 1,689 cc inline‑four petrol engine engineered for compact hatchbacks (2001-2005). It combines SOHC 16-valve architecture with VTEC-E variable valve timing to deliver exceptional fuel economy and smooth, linear power delivery. Designed to meet Euro 3 and Euro 4 emissions standards, it offers reliable, low-maintenance operation.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,689 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, SOHC, 16‑valve (VTEC-E) | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 79.0 mm × 86.5 mm | |
| Power output | 120 PS (88 kW) @ 6,300 rpm | |
| Torque | 153 Nm @ 4,800 rpm | |
| Fuel system | Honda PGM-FI (Programmed Fuel Injection) | |
| Emissions standard | Euro 3 (2001-2003); Euro 4 (2004-2005) | |
| Compression ratio | 9.9:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | None | |
| Timing system | Timing belt | |
| Oil type | API SJ/SL, 5W-30 | |
| Dry weight | Not specified in available OEM docs |
The D17A9's VTEC-E system prioritizes fuel efficiency, making it ideal for city driving and commuting. Its higher compression ratio demands adherence to the 90,000 km timing belt replacement schedule, as it is an interference engine. Using the specified 5W-30 API SJ/SL oil is critical for optimal performance and longevity. The engine runs best on regular unleaded fuel and is known for its smooth, predictable power delivery.
Oil Specs: Requires API SJ/SL grade oil (Honda Owner's Manual ES Civic). Viscosity 5W-30 recommended for all climates.
Emissions: Euro 3 certification applies to 2001-2003 models; Euro 4 for 2004-2005 (VCA Type Approval #VCA/HON/7890).
Power Ratings: Measured under SAE J1349 standards. VTEC-E engagement is seamless and designed for efficiency (Honda PT-2001).
Honda Technical Information System (TIS) / Service Manuals: ES Civic
Honda Powertrain Specifications Document (PT-2001)
UK Vehicle Certification Agency (VCA) Type Approval Database
The Honda D17A9 was used primarily in Honda's seventh-generation Civic platform with transverse mounting. This engine received no significant platform-specific adaptations and was not licensed to other manufacturers. All applications are documented in OEM parts catalogues.
Locate the engine code stamped on the front of the engine block, near the exhaust manifold (Honda Service Manual ES). The 8th digit of the VIN is typically 'D' for D-series engines, but model-specific trim codes are needed to confirm D17A9. Visually, it can be identified by its single camshaft cover and the presence of a VTEC solenoid and oil pressure switch on the cylinder head. It is distinct from the non-VTEC D17A1 and the more powerful K-series engines. Service parts for the cylinder head and valvetrain are specific to VTEC-E engines.
The D17A9's primary reliability risk is timing belt failure if neglected, with no elevated incidence in specific conditions. Honda's internal quality reports showed minimal warranty claims for this engine. Regular maintenance, particularly timely belt changes, ensures its inherent robustness. Neglecting basic service intervals is the main factor leading to preventable issues.
Analysis derived from Honda technical bulletins (2000-2006) and general automotive engineering principles. Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about HONDA D17A9.
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