Answer (1 of 8): Drive until you get to 1/4 or 1/2 tank. Add injector cleaner. Fill up tank. Drive as normal the cleaner and the injectors won’t care. If you don’t think they are clean enough do it again. It won’t hurt anything if you do.
Lucas fuel injector cleaner! Does it do anything? Let's find out! — Blingstrom
How To Use Fuel Injector Cleaner? - Automotive
So, when last did you take care of your vehicle's injectors? For best results we recommend once every 5000km. Give your beloved car some much needed TLC from the inside. Available at
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All About Fuel Injector Cleaner: How It Works and Benefits
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Cleaning fuel injectors outside engine works better than injection cleaner
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