Cars & Vehicles
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Fuel and Fuel Intake
Nissan 200SX

Can gasoline that you use in your car cause that gunk build up on the valves like shell says it can in their advertisement on tv?

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Wiki User
April 19, 2007 3:43PM

over a long period of time any gasoline will cause gunk in you system. but don't run out to buy their gasoline yet because all gasoline companies put additive in their gasolines to help keep your system clean. that gunk takes years to build up.good vehicle maintenance will prevent that.