Your car’s engine air filter should be replaced when it gets dusty or dirty enough. But don’t let a mechanic convince you to replace it too frequently. … The filter’s job is to keep dirt, dust and debris from entering the engine’s cylinders, allowing for optimal performance.
Filter Replacement
Your car’s engine air filter should be replaced when it gets dusty or dirty enough. But don’t let a mechanic convince you to replace it too frequently. … The filter’sjob is to keep dirt, dust and debris from entering theengine’s cylinders, allowing for optimal performance.
