Effectively removes all deposits from the throttle body and its intake valves. Cleans, protects, and lubricates. Maintains engine performance. Prevents rough idle, hard starting, and poor running. Maintains efficient operation of intake components. Will not harm catalytic converters and oxygen sensors. Removes paint, carbon, oils, and grease. Lubricates the valve shaft. Gained the trust of professional traders and craftsmen for more than 75 years, developed by people who use it, providing them with luxurious and consistent performance, and committed to continuous innovation.