Diesel Fuel Injector Testing, Repairs & Rebuilds - New London, CT

  • Diesel fuel injection repairs

Diesel’s Fuel Injection Service proudly offers dependable and affordable fuel injection service and repair for personal vehicles and commercial fleets in New London, Connecticut.

Diesel fuel injection systems

Pump testing

Pump repair

Injector testing & rebuilding


Fuel Injection System Repairs

While your fuel injector may be giving you trouble, its underlying cause might be a simple one. To ensure you only pay for the fuel injection repairs you truly need, we offer thorough in-house diagnostic testing.

Fuel Injector and Fuel Pump Rebuilds

Our skilled technicians repair and rebuild diesel fuel injection pumps and injectors for both commercial fleets and personal vehicles. We have a range of proven testing methods, from in-depth electronics assessments, to “pop” testing. By properly diagnosing the spray pressure of your injectors, we save you both time and money.


  • Pickup truck

    Light Duty Pickup Trucks

    • Ford Powerstroke 6.4L & 6.7L
    • Chevy/GMC Duramax 6.6L
    • Dodge/Cummins 5.9L & 6.7L

  • Diesel box truck

    Mid-range Trucks

    • Isuzu and Mitsubishi
    • Cummins 8.3L
    • Hino

  • John Deere tractor

    Industrial & Marine Vehicles

    • John Deere
    • Kamatsu
    • Case New Holland (CNH)
    • Cummins (Industrial & Marine)

  • Diesel Jeep

    Automotive

    • Jeep Liberty
    • Sprinter
    • Mercedes


One-Year Injector Parts and Service Warranty

At Diesel's Fuel Injection Service, we proudly stand behind our work, offering a one-year unlimited mileage, unlimited hour warranty on all parts and service. We’ve built our name as well as many long-standing customer relationships on our quality workmanship and honest, reliable service. Contact us to learn more about the Diesel's difference!


Diesel Fuel Injection Service & Repairs - New London, CT

Is your engine running rough? Are you having difficulty getting it started or accelerating? Our experienced technicians will determine whether your issue lies within your fuel pump or injectors. Whether you need minor repairs or a complete rebuild, we’ll get your system up and running smoothly again. Contact us today to get the quality, affordable service and repairs you need.

42 Dunklee Road • Bow, NH 03304