Product Overview

Summary: This Engine Performance Tuning Safe Operating Procedure sets out a safe, repeatable method for diagnosing, adjusting and validating engine performance in Australian workplaces. It balances power and efficiency gains with strict WHS controls, helping your business protect workers, equipment and compliance while delivering consistent tuning results.

Engine tuning work often takes place in busy workshops, on dynos, or in field service environments where noise, fumes, moving machinery and high temperatures are routine. Without a structured procedure, technicians can be exposed to unnecessary risks from rotating components, exhaust gases, fuel system pressures and electrical systems, while businesses face the risk of inconsistent work quality, customer disputes and non-compliance with WHS duties. This Engine Performance Tuning SOP provides a clear, end-to-end method that integrates safety, technical quality and documentation into every tuning job.

The procedure covers pre-tuning checks, safe vehicle positioning and securing, ventilation requirements, dyno and test equipment setup, tuning workflows (including ECU calibration, mechanical adjustments and data logging), validation runs and post-tuning sign-off. It embeds risk controls for common hazards such as carbon monoxide exposure, hot surfaces, fire risk from fuel and electrical systems, and unintended vehicle movement. By implementing this SOP, workshops and fleet operations can standardise how tuning is performed, demonstrate due diligence under Australian WHS legislation, and deliver reliable, traceable performance outcomes for customers and internal stakeholders.

Key Benefits

• Ensure engine tuning activities are conducted in line with Australian WHS obligations and industry best practice.
• Reduce the likelihood of injuries arising from moving parts, hot surfaces, fumes and high-pressure fuel systems during tuning work.
• Standardise tuning workflows across technicians, improving consistency, repeatability and customer confidence.
• Minimise equipment damage and costly rework by enforcing pre-tuning inspections, correct setup and verification steps.
• Document a defensible process that supports training, competency assessment and audit readiness for regulators or clients.

Who is this for?

• Automotive Technicians
• Diesel Mechanics
• Fleet Maintenance Managers
• Automotive Workshop Managers
• Motorsport Team Managers
• Heavy Vehicle Service Supervisors
• Marine Engine Technicians
• WHS Managers in Automotive and Mechanical Workshops
• Apprentice Mechanics and Trainees

Hazards Addressed

• Exposure to exhaust gases and carbon monoxide in enclosed or poorly ventilated areas
• Contact with hot engine, exhaust and turbocharger components causing burns
• Entanglement in rotating components such as belts, fans, pulleys and dyno rollers
• Fire and explosion risks from fuel system work, vapours and electrical faults
• Unintended vehicle movement during dyno runs or on-vehicle testing
• Electrical shock or short circuits from ECU connections, diagnostic tools and battery systems
• Noise-induced hearing loss from high-revving engines and dyno operation
• Manual handling strains from moving wheels, dyno components or heavy test equipment
• Slip, trip and fall incidents due to hoses, leads and tools around the test area

Included Sections

• 1.0 Purpose and Scope
• 2.0 References, Standards and Definitions
• 3.0 Roles, Responsibilities and Competency Requirements
• 4.0 Required Tools, Test Equipment and Software
• 5.0 Personal Protective Equipment (PPE) and Safety Controls
• 6.0 Pre‑Tuning Safety and Condition Checks
• 7.0 Vehicle Positioning, Securing and Ventilation Requirements
• 8.0 Dyno and Test Equipment Setup and Verification
• 9.0 Engine Performance Tuning Procedure – Step-by-Step
• 10.0 Data Logging, Monitoring and Performance Validation
• 11.0 Hazard Identification, Risk Controls and Lockout Procedures
• 12.0 Emergency Procedures (Fire, Fume Exposure, Mechanical Failure)
• 13.0 Post‑Tuning Checks, Road Testing and Sign‑Off
• 14.0 Environmental Considerations and Emissions Management
• 15.0 Training, Induction and Competency Assessment
• 16.0 Recordkeeping, Documentation and Continuous Improvement

Legislation & References

• Work Health and Safety Act 2011 (Cth) and corresponding state and territory WHS legislation
• Work Health and Safety Regulations 2011 (Cth) and state and territory equivalents
• Safe Work Australia – Code of Practice: Managing risks of plant in the workplace
• Safe Work Australia – Code of Practice: Managing noise and preventing hearing loss at work
• Safe Work Australia – Code of Practice: Managing the work environment and facilities
• AS/NZS 4024 series: Safety of machinery
• AS/NZS 60079.10.1: Explosive atmospheres – Classification of areas – Explosive gas atmospheres (where applicable to fuel vapours)
• AS/NZS 1715: Selection, use and maintenance of respiratory protective equipment
• AS/NZS 1269 series: Occupational noise management