Fuel injectors rarely get the same attention as turbochargers, superchargers, or cylinder heads, but they play a far more critical role than most enthusiasts realize. Every fuel-injected engine, ...

I’m at the FMCSA Motor Carrier Safety Advisory Committee’s joint meeting with the Medical Review Board today — watch my Twitter feed for updates from the meeting, where committee members are slated to ...

Car problems are a regular occurrence for drivers. Something can go wrong with the plugs, tire alignment could be off, or you haven’t changed your engine coolant in a while, and now performance is ...

Having fuel injectors on all mass-produced vehicles is one of the biggest automotive breakthroughs of the past few decades. If you've ever gone through having to start an engine with a poorly tuned ...

Your Cummins ISX injectors are the heart of your fuel system, and catching issues early can save you thousands. From rough idling to black smoke, these symptoms shouldn’t be ignored. Knowing how to ...

While carbon buildup happens on essentially all engines, gasoline, diesel, N/A, or boosted, it's an increased concern in GDI engines. Standard Electronic Fuel Injection features injectors higher in ...

Having fuel injectors on all mass-produced vehicles is one of the biggest automotive breakthroughs of the past few decades. If you've ever gone through having to start an engine with a poorly tuned ...

High-pressure common rail fuel (HPCR) systems are standard on nearly every diesel engine today, from heavy equipment to over-the-road trucks, light-duty trucks, large generators and more. HPCR fuel ...

The presence of water or other fluid mixed with diesel fuel is clearly apparent from the stratification shown here. Diesel fuel is generally very clean when it leaves the refinery. But it can pick up ...

The key ingredient to maximizing the peak performance of a diesel engine is increasing the amount of diesel being burned. On old mechanical-injection engines, the only way to do this was to modify the ...