MR CARTOOL specializes in automotive maintenance and diagnostic tools, including fuel injector testers, battery analyzers, HUD gauges, and EV chargers.
MR CARTOOL is a dedicated automotive tool brand owned by Shenzhen Shangjia Tech Co., Ltd., founded in 2012. The company focuses on the research, development, and manufacturing of intelligent automotive repair and maintenance instruments. Their extensive product portfolio includes fuel injector cleaners and testers, automotive smoke leakage detectors, digital manifold gauges, battery system testers, smart slope meters, and head-up displays (HUD).
Designed for both professional mechanics and DIY car enthusiasts, MR CARTOOL products aim to simplify vehicle diagnostics and improve repair efficiency. The brand is known for offering practical, eco-friendly, and cost-effective solutions for identifying issues in petrol injectors, electrical circuits, and braking systems. MR CARTOOL operates globally, providing direct-to-customer sales and support from their headquarters in Shenzhen, China.
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Typically, MR CARTOOL offers a 2-year warranty for the main unit of their products and a 1-year warranty for accessories, starting from the day the customer receives the product.
No, most standard MR CARTOOL injector testers are specifically designed for testing and cleaning petrol (gasoline) injectors only.
You can contact their customer support via email at aftersale@mrcartool.net or by phone at +86-755-27807580.
The tester typically uses the vehicle's 12V battery or an external DC 12V power adapter (recommended at least 1.5A or 2A depending on the model).