This manual injector maintenance tool set is designed for car enthusiasts who prefer to perform cleaning and maintenance themselves to protect vehicle performance. - Durable construction Built from high quality materials to withstand regular use and provide long service life for injector maintenance tasks. - Effective manual cleaning Delivers precise cleaning action to remove deposits and restore injector performance, helping the fuel system operate more smoothly. - Improves fuel system performance By cleaning and maintaining injectors, it supports better spray patterns and overall engine efficiency. - Regular maintenance and troubleshooting Ideal for routine injector care and diagnostic checks to keep the engine running reliably and reduce the risk of injector-related issues. - Function, compatibility and design Designed for manual injector maintenance on standard automotive injectors; suitable for common vehicle makes and models; compact and easy to handle for convenient use and storage. - Use scenarios - DIY home maintenance: perform injector cleaning on a daily driver between professional service visits to help maintain peak performance. - Troubleshooting: address symptoms such as rough idle, hesitation, or reduced power by cleaning injectors and evaluating engine response. - Routine service in a shop or garage: efficiently clean and maintain multiple injectors as part of regular fuel system maintenance.