• Professional GDI (Gasoline Direct Injection) Testing

  • At Diesel Engineering Services, we provide GDI (Gasoline Direct Injection) Systems testing. Whether you're a workshop, dealership, or fleet operator, we provide accurate, equipment-based GDI injector assessment for the full range of modern petrol and hybrid vehicles across Ireland and the UK.

Brands We Test

We can test a wide range of OEM brands used by popular petrol and hybrid vehicles across Ireland and the UK.

  • Bosch GDI injectors

    Commonly found in VW, Audi, Skoda, SEAT, BMW, MINI, Mercedes-Benz, and Ford EcoBoost engines.

  • Denso GDI injectors

    Commonly found in Toyota, Lexus, Mazda and Subaru.

  • Delphi GDI injectors

    Commonly found in Vauxhall/Opel, Ford and PSA Vehicles.

  • Continental / Siemens / Vitesco / Schaeffler GDI injectors

  • Hitachi GDI injectors

    Commonly found in Nissan, Infiniti and some Honda Applications.

Diagnostic Equipment We Use

    Carbon Zapp ETBRx GDI Injector Testing Technology

    The Carbon Zapp ETBRx system is fully loaded for GDI injector testing, cleaning, and performance verification. The system provides:

    • Precision GDI injector flow testing
    • Detailed spray pattern and atomisation analysis
    • Identification of partial blockages and internal restrictions
    • Performance comparison across multiple injectors

    Combined with our technical expertise, we deliver fast and reliable results — reducing guesswork and saving you time and money.

    Why Test and Diagnose?

    By doing GDI Injector testings, you can:

    • Avoid unnecessary replacement of expensive GDI injectors
    • Improve engine performance and drivability
    • Reduce emissions and fuel consumption
    • Extend the service life of Bosch, Denso, Delphi, and Continental GDI injectors

    Why Choose Us?

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    Wide Range of Brands

    We test GDI Injector brands used by popular petrol and hybrid vehicles across Ireland and UK.

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    Trusted Equipment

    Using profesional diagnostic platforms to provide you accurate results.

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    Experienced Technicians

    Decades of experience in both mechanical and electronic diesel systems

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    Quick Turnaround

    Accurate diagnostics help reduce downtime and speed up repairs