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 ...

There’s a new crop of engines on the street now that’s cleaner, more fuel efficient and hopefully more reliable than previous models. Most North American heavy-duty diesel engine manufacturers rolled ...

Fuel injector cleaner serves an important function in vehicle maintenance. Most vehicles sold today have fuel injectors. Those injectors work by delivering precise amounts of gasoline or diesel fuel ...

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 ...

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 ...

Never fill new filters with fuel before installation (you'll pour in dirt). Fuel-tank breathers stuffed with porous filtering media, or vented tank caps with no breathers, pull in lots of contaminants ...

Diesel engines are torquey and efficient powerhouses capable of outlasting a comparable gas engine. But despite their robust build quality and beefier internals, there are things to avoid if you have ...

If your diesel car, truck, or even farm equipment isn’t running right anymore or is sitting parked for a long time or in long temperatures, then diesel fuel additives might be exactly what you need to ...