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 ...

Fuel injectors can get gummed up with dirt and fuel residue over time. Photo credit: David Traver Adolphus / Autoguide.com. Over time and miles, your car might start to slow down. It might not ...

Fuel injectors don't just deliver fuel. They meter it, shaping the spray so the air-fuel mixture burns in the way the engine wants it to. When deposits build up, injector fuel flow can decrease and ...

Diesel fuel is generally very clean when it leaves the refinery. But it can pick up contaminants as it travels through pipelines, terminals, delivery trucks, underground storage tanks and dispensing ...

While fuel-injector cleaning is often recommended by shops and dealer service centers, it probably isn’t necessary unless it’s correcting a running problem. In many cases, just using a quality ...

If you’re in fleet management or the construction industry, you undoubtedly have machines that run on diesel fuel. In addition to large trucks, more than 75% of all heavy construction equipment uses ...

Intake air and fueling are the primary components of the diesel performance formula. And, in theory, the more there is of each, the better a diesel engine will perform—provided the air and fuel are ...

Fuel injectors are the heart of a vehicle’s fuel system. Because they keep the fuel supply running smoothly, when an injector experiences a problem, the whole engine suffers the consequences. Because ...

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 ...