Current Turnaround Times

Standard Service – 3-4 Business Days

Expedited Service – 1 Business Day

Last Updated 11/8/25 at 12:55pm

Direct Injector Services

Restore Peak Power and Efficiency with Expert Direct Injector Cleaning and Testing
Hitach direct fuel injector

Direct injection technology delivers improved performance, fuel efficiency, and lower emissions – but it also demands precision maintenance. Over time, direct fuel injectors can become clogged with carbon deposits leading to poor engine performance, rough idling, loss of power, and decreased fuel economy.

At Injector RX, we specialize in professional direct injector cleaning, testing, and restoration to help your engine run like new.

Our Direct Injector Services Include:

  • Ultrasonic Cleaning: Our advanced multi-stage ultrasonic cleaning process removes stubborn carbon buildup and internal contamination.
  • Precise Flow Testing: Every direct injector is flow-tested before and after cleaning to ensure proper spray patterns, flow rates, and injector balance.
  • New Seals and O-Rings: We install high-quality replacement components to prevent leaks and maintain optimal performance.
  • Diagnostic Reporting: Detailed before-and-after flow data so you can see exactly how your injectors have improved.
  • Quick Turnaround: We know you rely on your vehicle – our fast, reliable service minimized downtime.

We Service All Major Direct Injection Systems:

  • Gasoline Direct Injection (GDI)
  • Diesel Direct Injection
  • Top brands including Bosch, Denso, Siemens, Delphi, Hitachi, and more


Whether you drive a performance car, daily commuter, truck, or marine vessel equipped with direct injectors, Injector RX has the expertise to help you maximize engine performance and reliability.

Why Injector RX for Direct Injector Cleaning?

  • Specialized Equipment: We use cutting-edge ultrasonic and flow-testing machines designed specifically for modern direct injectors.
  • Proven Results: Restored injector flow and spray patterns mean smoother acceleration, better fuel economy, and reduced emissions.
  • Experienced Technicians: Our injector specialists understand the unique needs of GDI and diesel systems.
  • Affordable Excellence: Get dealership-level service without dealership prices.

Symptoms of a Failing Direct Injector:

  • Hard starting or no-start conditions
  • Misfires, hesitation, or rough idle
  • Poor fuel economy
  • Check engine light (CEL) or injector-related trouble codes
  • Loss of power or performance


Don’t wait for major engine damage. Regular maintenace and professional injector cleaning can extend the life of your vehicle and save you money in the long run.

Get Professional Direct Injector Service Today

Injector RX is your trusted partner for reliable, affordable direct injector cleaning and restoration.
Contact us today
to schedule your service or request a quote.

Ready to restore the performance and efficiency of your vehicle?

or call us today at 1-800-381-2065 for more information. Let us help you clean your automotive fuel injectors the right and only guaranteed way!