In both old and new engines, impurities in fuel can cause harmful deposits to form in fuel injectors, intake valves, and combustion chambers – in less than 3,000 miles – and cause:
STP® Complete Fuel System Cleaner contains powerful detergents to help remove harmful deposits. One tank treatment helps clean the entire fuel system – including fuel injectors, intake valves and even hard-to-reach combustion chambers – to help optimise engine performance.
Step inside a test facility as we compare two engines. Both were run for the same amount of miles with the same fuel. Then one engine was treated with STP® Complete Fuel System Cleaner. See for yourself how it can help fight harmful engine deposits to maintain optimum performance.
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