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 ...

Fuel injector cleaners can help increase your car's performance and fuel economy. Fuel injectors can get gummed up with dirt ...

CNET’s expert staff reviews and rates dozens of new products and services each month ... and you may never need a specialized fuel injection cleaner or cleaning tool at all.

Fuel injectors can get gummed up with dirt and fuel residue over time. Photo credit: David Traver Adolphus / Autoguide.com.