General description Sealey Petrol Fuel Injector Tester 12V is designed to operate injectors individually, allowing for the diagnosis of fuel delivery problems in petrol vehicles equipped with electronic fuel injection. This device is powered by the vehicle's 12V battery and can be utilized to identify various fuel system faults. Technical specifications Model No.: VS211 Nett Weight: 0.3 kg Power Supply: 12V from vehicle battery Usage The tester can be used to locate fuel system faults such as: Clogged or leaking fuel injectors Sluggish or sticky fuel injectors Wiring harness faults Fuel injector driver signal faults Other information