Engine Code

HYUNDAI G4EB engine (2000–2005) – Specs, Problems & Compatibility Database

The Hyundai G4EB is a 1,594 cc, inline‑four naturally aspirated petrol engine produced between 2000 and 2005. It features dual overhead camshafts (DOHC), 16 valves, and sequential multi‑point fuel injection (SFI). In standard form it delivers 82 kW (112 PS) and 142 Nm of torque, offering responsive urban performance and predictable highway behavior.

Fitted to models such as the Accent (LC), Elantra (XD), and Matrix (FC), the G4EB was engineered for cost‑effective ownership, low emissions, and mechanical simplicity across global markets. Emissions compliance was achieved through a three‑way catalytic converter and electronic engine management, meeting Euro 3 standards across all markets.

One documented concern is premature wear of the timing belt tensioner pulley, highlighted in Hyundai Service Information Bulletin EM‑2003‑09. This issue stems from bearing degradation under sustained high‑temperature operation, leading to belt misalignment and potential catastrophic interference damage if not addressed during scheduled service.

BMW N47D20A Engine
Compliance Note:

All production years 2000–2005 meet Euro 3 emissions standards (VCA UK Type Approval #VCA/EMS/1756).

G4EB Technical Specifications

The Hyundai G4EB is a 1,594 cc inline‑four naturally aspirated petrol engine engineered for compact sedans and hatchbacks (2000–2005). It combines sequential multi‑point fuel injection with DOHC architecture to deliver responsive low‑end torque and serviceability. Designed to meet Euro 3 standards universally, it prioritizes reliability and ease of maintenance over peak output.

ParameterValueSource
Displacement1,594 cc
Fuel typePetrol
ConfigurationInline‑4, DOHC, 16‑valve
AspirationNaturally aspirated
Bore × stroke78.0 mm × 83.0 mm
Power output82 kW (112 PS)
Torque142 Nm @ 4,500 rpm
Fuel systemSequential multi‑point injection (SFI)
Emissions standardEuro 3
Compression ratio9.5:1
Cooling systemWater‑cooled
TurbochargerNone
Timing systemBelt (front‑mounted)
Oil typeHyundai SP 10W‑30 (API SL)
Dry weight118 kg
Practical Implications

The G4EB delivers light, responsive performance ideal for city driving but requires strict adherence to 60,000 km timing belt replacement intervals to prevent interference engine damage. The tensioner pulley is prone to bearing wear after 80,000 km, especially in hot climates—replace as a complete kit per SIB EM‑2003‑09. Use only Hyundai SP 10W-30 oil and change every 10,000 km to maintain valve train longevity. No turbo or direct injection simplifies maintenance, though carbon buildup on intake valves may occur after 100,000 km in stop-start urban use.

Data Verification Notes

Oil Specs: Requires Hyundai SP 10W-30 (API SL) specification (Hyundai SIB EM‑2003‑09). Not interchangeable with 5W-30 or ACEA diesel oils.

Emissions: Euro 3 certification applies to all 2000–2005 models (VCA Type Approval #VCA/EMS/1756). No market exceptions.

Power Ratings: Measured under SAE J1349 standards. Output consistent across global markets due to Euro 3 homologation (Hyundai TIS EM‑G4EB‑01).

Primary Sources

Hyundai Technical Information System (TIS): Docs EM‑G4EB‑01 to EM‑G4EB‑04, SIB EM‑2003‑09

VCA Type Approval Database (VCA/EMS/1756)

SAE International: J1349 Engine Power Certification Standards

G4EB Compatible Models

The Hyundai G4EB was used across Hyundai's LC/XD/FC platforms with transverse mounting and no external licensing. This engine received platform-specific adaptations—revised engine mounts in the Accent LC for NVH refinement and reinforced subframes in the Matrix FC for durability—and from 2002 minor ECU calibration updates were introduced to improve cold-start emissions per SIB EM‑2003‑09, creating minor service part distinctions. All adaptations are documented in OEM technical bulletins.

Make:
Hyundai
Years:
2000–2005
Models:
Accent (LC)
Variants:
1.6 GL, 1.6 GLS
View Source
Hyundai ETK Doc. H15‑1042
Make:
Hyundai
Years:
2000–2003
Models:
Elantra (XD)
Variants:
1.6 Base
View Source
Hyundai Powertrain Manual PT‑2017
Make:
Hyundai
Years:
2001–2005
Models:
Matrix (FC)
Variants:
1.6
View Source
Hyundai TIS Doc. EM‑G4EB‑01
Identification Guidance

Locate the engine code stamped on the front timing cover near the crankshaft pulley (Hyundai TIS EM‑G4EB‑05). The 7th VIN digit is 'G' for G4EB-equipped vehicles. All G4EB engines feature a silver aluminum valve cover with '1.6' embossed branding and a single three-way catalytic converter. Critical differentiation from Alpha G4ED: G4EB uses DOHC architecture with dual camshafts; G4ED is SOHC. Timing belt routing and tensioner design are unique to G4EB.

Identification Details

Evidence:

Hyundai TIS Doc. EM‑G4EB‑05

Location:

Stamped on front timing cover near crankshaft pulley (Hyundai TIS EM‑G4EB‑05).

Visual Cues:

  • Silver aluminum valve cover with '1.6' embossing
  • DOHC camshaft cover with dual cam lobes visible under inspection
Timing Belt Maintenance

Issue:

Tensioner pulley bearing failure can cause timing belt misalignment, leading to skipped teeth and valve-piston collision in this interference engine.

Evidence:

Hyundai SIB EM‑2003‑09

Recommendation:

Replace timing belt, tensioner, and idler pulleys as a complete kit at 60,000 km per SIB EM‑2003‑09.

Common Reliability Issues - HYUNDAI G4EB

The G4EB's primary reliability risk is timing belt tensioner pulley failure due to bearing wear, with elevated incidence in high-mileage or hot-climate vehicles. Hyundai internal data from 2003 indicated a measurable uptick in timing-related engine damage after 80,000 km when service intervals were extended, while UK DVSA records show minimal emissions-related MOT failures due to robust catalytic converter design. Infrequent belt replacement and high underhood temperatures accelerate wear, making scheduled maintenance critical.

Timing belt tensioner pulley failure
Symptoms: Squealing or chirping from front of engine, visible belt misalignment, eventual engine misfire or catastrophic failure.
Cause: Bearing degradation in tensioner pulley due to heat cycling and lack of service replacement at recommended intervals.
Fix: Replace entire timing belt kit (belt, tensioner, idler) with OEM-specified components per SIB EM‑2003‑09; inspect cam/crank alignment.
Ignition coil pack degradation
Symptoms: Misfires on multiple cylinders, rough idle, P030X codes, reduced fuel economy.
Cause: Heat-induced cracking in original-equipment coil pack housing after 100,000–120,000 km.
Fix: Replace coil pack assembly with updated OEM unit; inspect spark plugs and wiring for carbon tracking.
Coolant thermostat housing leaks
Symptoms: Coolant puddles under front of engine, overheating, low coolant level without visible external hose leaks.
Cause: Plastic thermostat housing prone to warping and seal failure from thermal stress over time.
Fix: Replace thermostat housing and thermostat with OEM part; flush cooling system and refill with Hyundai-approved coolant.
Intake manifold vacuum leaks
Symptoms: Hissing at idle, lean codes (P0171), erratic idle speed, poor throttle response.
Cause: Rubber gasket shrinkage and hardening between intake manifold and cylinder head due to age and heat exposure.
Fix: Replace intake manifold gasket with OEM-spec part; torque bolts in correct sequence per TIS procedure.
Research Basis

Analysis derived from Hyundai technical bulletins (2002–2005) and UK DVSA failure statistics (2005–2023). Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about HYUNDAI G4EB

Find answers to most commonly asked questions about HYUNDAI G4EB.

Research Resources

Comprehensive technical documentation and regulatory references

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Regulation (EC) No 715/2007

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Last Updated: 16 August 2025

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