Gumout has released a new option for cleaning your fuel system. With 30 percent of new cars having a Gasoline Direct Inject (GDI), it can be very costly to clean out your fuel system until now. This ...

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 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 ...

Q: Greg, I have a 2005 Mercury LS. While having my car serviced, I overheard two men talking about how to keep fuel-injector nozzles clean. One man said he uses Pennzoil’s “Gumout” Fuel Injector ...

DESIGNED TO EXCEED EXPECTATIONS: Red Line complete SI-1 fuel system cleaner treatment for cleaning and preventing corrosion in fuel systems PERFORM AND PROTECT: Fuel additive cleans injectors, ...

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 ...

Clogged injectors can cause a myriad of issues for your engine—it needs a consistent flow of fuel to run properly. Sometimes, simply pouring a can of injector cleaner into your gas tank before a ...

Q: I own a 2002 Pontiac Bonneville SLE. I have been adding Gumout fuel injection cleaner to the gas tank every 3,000-3,500 miles. How do I determine if it has direct injection versus the “other” kind?