No, the product should not be applied directly to electronic components. The Engine Cleaner should only be used on the mechanical parts of the engine and oily surfaces. Electronic connections or wires should be kept away from the product.

Yes, after cleaning, the engine surface should be rinsed with water. Before starting the engine, make sure all surfaces are completely dry.

Yes, it can be safely used on plastic surfaces like engine covers. However, it is recommended to clean painted or sensitive surfaces immediately after application.