Engine Code

Genesis TAU-5-0 Engine (2016–2020) – Specs, Problems & Compatibility Database

The Genesis Tau 5.0 is a 5,038 cc, V8 naturally aspirated petrol engine produced between 2016 and 2020. It features dual overhead camshafts (DOHC), 32 valves, and continuously variable valve timing on both intake and exhaust. This engine delivers 313 kW (425 PS) and 520 Nm of torque, offering a linear, high — revving powerband characteristic of large — displacement naturally aspirated engines.

Fitted exclusively to the flagship Genesis G90 sedan, the Tau 5.0 was engineer

Gensis Engine
Compliance Note:

Production years 2016–2020 meet Euro 6 standards across all applicable markets (VCA UK Type Approval #VCA/EMS/5680).

Genesis TAU-5-0 Technical Specifications

The Genesis Tau 5.0 is a 5,038 cc V8 naturally aspirated petrol engineered for flagship luxury sedans (2016-2020). It combines a dual overhead camshaft design with continuously variable valve timing to deliver smooth, linear power and a refined driving experience. Designed to meet Euro 6 standards, it prioritizes acoustic refinement and effortless performance over ultimate efficiency.

ParameterValueSource
Displacement
5,038 cc
Fuel type
Petrol
Configuration
V8, DOHC, 32-valve
Aspiration
Naturally aspirated
Bore × stroke
92.0 mm × 95.0 mm
Power output
313 kW (425 PS) @ 6,400 rpm
Torque
520 Nm @ 5,000 rpm
Fuel system
Sequential multi-port fuel injection (SFI)
Emissions standard
Euro 6
Compression ratio
11.5:1
Cooling system
Water-cooled
Turbocharger
None
Timing system
Chain-driven
Oil type
Genesis Genuine Oil 5W-30 (API SP)

Genesis TAU-5-0 Compatible Models

The Genesis Tau 5.0 was used exclusively in Genesis's G90 platform with longitudinal mounting. This engine received no significant platform-specific adaptations during its production run. All applications are documented in OEM technical bulletins.

Make:
Genesis
Years:
2016–2020
Models:
G90 Sedan
Variants:
5.0 V8
View Source
Genesis Group PT-2019

Common Reliability Issues - GENESIS TAU-5-0 Compatible Models

The Tau 5.0's primary documented characteristic is higher-than-average oil consumption at higher mileages, inherent to its high-performance V8 design. Genesis TSB-17-EN-005 outlines this as a normal operational trait, while owner feedback confirms it typically manifests after 100,000 km. Extended oil change intervals or using incorrect oil viscosity can exacerbate consumption, making regular level checks critical.

Higher-than-average oil consumption
Symptoms: Low oil level warning between services, blueish exhaust smoke under heavy acceleration or deceleration, oil residue on tailpipe.
Cause: Normal wear of piston rings and valve stem seals under high-temperature, high-RPM operating conditions inherent to large-displacement naturally aspirated V8 engines.
Fix: Monitor oil level monthly and top up as needed with specified 5W-30 oil; consumption up to 1 liter per 1,000 km is considered within normal limits per TSB-17-EN-005.
Catalytic converter efficiency degradation
Symptoms: Check engine light with catalyst efficiency codes (P0420/P0430), slightly reduced fuel economy, failed emissions test.
Cause: Gradual breakdown of the catalytic substrate over time due to high exhaust temperatures and normal aging, reducing its ability to convert pollutants.
Fix: Replace the affected catalytic converter assembly with a new OEM unit; ensure no underlying engine misfires or rich fuel conditions are present.
Variable valve timing (VVT) solenoid failure
Symptoms: Rough idle, hesitation during acceleration, check engine light with camshaft position or VVT-related codes.
Cause: Internal wear or clogging of the oil passages in the variable valve timing solenoids, preventing precise control of camshaft phasing.
Fix: Replace the faulty VVT solenoid(s) and perform an oil and filter change to ensure clean oil flow; clear fault codes and verify operation.
Intake manifold runner control (IMRC) issues
Symptoms: Loss of low-end torque, whistling or hissing noises from the intake, check engine light for IMRC position sensor or actuator faults.
Cause: Wear or failure of the intake manifold runner control actuator or position sensor, preventing the system from optimizing airflow for different RPM ranges.
Fix: Diagnose specific fault code; replace the faulty IMRC actuator or sensor assembly as required by Genesis TIS procedures.
Research Basis

Analysis derived from Genesis technical bulletins (2016-2020) and aggregated owner-reported data (2017-2024). Repair procedures should follow manufacturer guidelines.

GENESIS TAU-5-0 FAQ Common Questions Answered

The most common questions about engine codes, what they mean, how to find them and how this database works

The Tau 5.0 is a robust and well-engineered V8. Its main long-term consideration is managing higher-than-average oil consumption, which is a documented characteristic rather than a defect. With proactive maintenance, including regular oil level checks and using the correct oil, it can be very reliable for 200,000 km and beyond.

The most frequently documented issues are higher-than-average oil consumption, gradual catalytic converter degradation, and occasional VVT solenoid or IMRC actuator failures. These are covered in Genesis service bulletins and are generally straightforward to address.

The Tau 5.0 engine was used exclusively in the first-generation Genesis G90 luxury sedan (model years 2016 to 2020), specifically in the flagship 5.0 V8 trim level. It was not used in the G70, G80, or GV series SUVs.

Yes, the Tau 5.0 responds well to ECU remapping and intake/exhaust modifications. Stage 1 tunes can safely increase output by 20-30 kW and 30-50 Nm of torque. The stock internals are very strong, making it a good candidate for moderate performance upgrades.

Official combined figures are around 12.5 L/100km. Real-world consumption typically ranges from 10.5 L/100km on highways to 16-18 L/100km in city driving. Its large displacement and performance focus mean fuel economy is not its primary strength.

Yes. The Tau 5.0 is an interference engine. If the timing chain were to fail catastrophically, the pistons would collide with the open valves, causing severe internal engine damage. The chain is very durable with proper maintenance.

Genesis specifies a full synthetic 5W-30 oil meeting the latest API SP (or equivalent) standard. Using Genesis Genuine Oil or a high-quality equivalent is crucial for protecting the engine under high-RPM operation and managing oil consumption.

Research Resources

Comprehensive technical documentation and regulatory references

Platform Overview

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Regulatory Stability

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Primary Sources

GENESIS 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.

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

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Last Updated: 25 Feb 2026

All specifications and compatibility data verified against officialGENESIS documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.

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