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 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 ...

Fuel injectors that are working properly respond instantly to the demands of your engine. Unfortunately, even the best fuels contain impurities that can gum up the injector nozzles, reducing ...

Sidd started as a freelance writer for TopSpeed back in 2017 and took up a full-time position a year later. 2,100+ articles later, he got into the editorial side of things and is now the sitewide ...

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 have been offered a throttle body cleaning or a fuel injector service, politely decline and find a more reputable ...

Fuel system issues can be expensive, so it makes sense to invest in a petrol injector cleaner next time you fill your car up.

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 ...