Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

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 ...

Over time and miles, your car might start to slow down. It might not accelerate as quickly as it once did; the engine may not run as smoothly as you remember, or the fuel economy may dip—but ...

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, ...

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 ...

There are many things that can degrade your vehicle's performance over time, from a dirty air filter and low tire pressure, to fouled spark plugs and worn out plug wires. However, nothing will rob ...

You've heard of mixture distribution problems relating to carburetors—different cylinders receiving different amounts of fuel. This is caused by many variables, including g-forces and poor manifold ...

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 ...

Clean and lubricate your vehicle's fuel system with our top picks for the best diesel injector cleaners. Like any fuel-injected engine, diesel engines rely on fuel injectors to, well, inject fuel into ...

We've tested a bunch of pour-in fuel additives in Fact or Fiction over the years. Can you really blame us? With all their promises of horsepower and torque increases, detonation resistance, and ...

Innovative Products of America’s Injector-Seat Cleaning Kit features brushes designed to clean diesel injector seats, bores and cups on most light-, medium- and heavy-duty diesel engines. Innovative ...