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 ...

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 ...

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 ...

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 ...

We earn commissions from purchases you make using links in our articles. Learn more. Fuel injector cleaners can help increase your car's performance and fuel economy. It's the easiest way to clean ...

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 ...

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 ...

We may receive a commission on purchases made from links. Dirty fuel injectors can cause many problems, from minor annoyances like a rough idle or lower gas mileage, to more immediate and pressing ...

Tip:Use dielectric grease to coat the electrical terminals when you plug the new injector into the wiring harness. This not only provides a lubricant for the terminals, but it also serves as an oxygen ...