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 ...
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: 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?
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