For this job, you’ll need a fuel injector cleaning kit, fuel injector cleaner ... and do indeed get gummed up in the course of a car’s normal life. Once the injector cleaner is in the fuel ...

It's a good idea to keep your fuel system clean. Here are some products that can help. Having fuel injectors on all ...

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