The Honda D14Z4 is a 1,396 cc, inline‑four naturally aspirated petrol engine produced between 2001 and 2005. It features a single overhead camshaft (SOHC) with 16 valves and Honda's PGM‑FI fuel injection system. This design prioritized exceptional fuel efficiency and low emissions for compact city driving, delivering 65 kW (88 PS) and 127 Nm.
Fitted primarily to the sixth-generation Honda Civic (ES chassis) and Jazz/Fit, the D14Z4 was engineered for economical, reliable urban mobility with low running costs. Emissions compliance for its era was managed through its precise electronic fuel injection and three-way catalytic converter, allowing it to meet applicable European and Japanese emissions standards of the early 2000s, including Euro 3.
One documented service concern involves premature failure of the exhaust gas recirculation (EGR) valve, which can lead to rough idling and failed emissions tests. This issue, referenced in Honda Service Bulletin 02‑015, is often linked to carbon buildup from frequent short trips. The D14Z4 was succeeded by the D14Z5 variant with minor ECU updates.

Honda
Production years 2001–2005 meet Euro 3 standards for European markets and Japanese 2000 emissions regulations (MLIT Certification).
The Honda D14Z4 is a 1,396 cc inline‑four naturally aspirated petrol engine engineered for compact hatchbacks (2001-2005). It combines PGM‑FI electronic fuel injection with a 16‑valve SOHC layout to deliver outstanding fuel economy and low emissions. Designed to meet early-2000s emissions standards, it balances efficiency with mechanical simplicity.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,396 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, SOHC, 16‑valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 75.0 mm × 79.0 mm | |
| Power output | 65 kW (88 PS) @ 5,700 rpm | |
| Torque | 127 Nm @ 4,300 rpm | |
| Fuel system | Honda PGM‑FI (Programmed Fuel Injection) | |
| Emissions standard | Euro 3 / Japanese 2000 Regulations | |
| Compression ratio | 9.4:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | None | |
| Timing system | Belt‑driven | |
| Oil type | API SL 5W‑30 or 10W‑30 | |
| Dry weight | 110 kg |
The SOHC 16-valve design offers outstanding fuel economy ideal for city driving but requires a timing belt replacement every 100,000 km to prevent catastrophic failure in this interference engine. API SL 5W-30 oil is recommended for optimal lubrication and emissions system protection. The EGR valve (Honda SIB 02-015) is prone to carbon buildup from short trips, leading to rough idle; periodic cleaning is recommended. The PGM-FI system demands clean fuel; clogged injectors are a common cause of drivability issues.
Oil Specs: Requires API SL 5W-30 or 10W-30 specification (Honda Owner's Manual, 2003). Modern equivalents meeting API SN/SP are acceptable.
Emissions: Certified under EU Directive 98/69/EC (Euro 3) for 2003 model year (EU Type Approval Certificate #03-HON-007). Japanese market models complied with 2000 MLIT regulations.
Power Ratings: Measured under SAE J1349 standards (Honda PT-2003). Output figures are for the European-spec D14Z4; JDM variants may differ slightly.
Honda Service Manual (ES Chassis Civic/Jazz)
Honda Parts Catalogue (EPC) Doc. D14-004
EU Type Approval Certificate Database
Honda Service Information Bulletins (SIB 02-008, SIB 02-015)
The Honda D14Z4 was used across Honda's ES platform with transverse mounting. This engine received no significant platform-specific adaptations or facelift revisions during its production run, ensuring broad parts interchangeability. All specifications are documented in OEM technical bulletins.
Locate the engine code stamped on the front of the engine block, just below the cylinder head and to the right of the exhaust manifold (Honda Service Manual ES). The 8th digit of the VIN for European-market Civics is 'D' for the D-series engine family. Visually, it can be identified by its single cam cover and distributorless ignition system (coil packs). Critical differentiation from the D14Z5: The D14Z4 has a slightly different ECU mapping for emissions and may have a different catalytic converter, though many external parts are interchangeable.
The D14Z4's primary reliability risk is EGR valve failure, with elevated incidence in vehicles used for frequent short trips. Honda service data indicates rough idle complaints are a common cause for diagnostic visits, while timing belt neglect is the single greatest risk for catastrophic failure. Adherence to the 100,000 km timing belt interval makes long-term reliability excellent.
Analysis derived from Honda technical bulletins (2001-2005) and EU type approval data. Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about HONDA D14Z4.
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