fuel injectors Archives - UnderhoodService
Help Customers Be Comfortable With Engine Components (VIDEO)

It can be challenging easing minds about ignition components. This video is presented by The Group Training Academy.

Fuel Injector Waveform Diagnostics

On the majority of injectors, an electromagnetic coil is energized by a driver in the engine control module.

What Causes Direct Fuel Injectors To Clog?

In the case of a direct fuel injector where the tip is exposed to the combustion event, carbon can stick to the nozzle and cause a bad spray pattern, because carbon searches for other carbon.

Direct Injection Diagnostics: Taking Pressure Readings

Direct injection is becoming standard on more and more late-model vehicles. These systems can be a diagnostic challenge, but with the right foundation, problems can be solved profitably.

direct injection pressure featured
VIDEO: Diagnosing and Servicing GDI Fuel Injectors

Adam Redling shows us the proper way to service fuel injectors in a high-pressure GDI system, including bleeding residual pressure and using an attenuator to prevent damage to the scope. Sponsored by Bosch Automotive Service Solutions.

Fuel Injector Replacement Tip: Watch For Heat Soak

Fuel injectors play a big role in today’s vehicles, which emphasize precision and timing in order to improve fuel economy and reduce emissions. If those fuel injectors are clogged or out of whack, then all of that precision goes out the window. If you missed it, be sure to check out our 10 Signs a Fuel Injector

Fuel Injector Replacement