WGT uses the ASNU injector cleaner to test and clean petrol fuel injectors at their own premises, which helps to gaurentee a swift service thus reducing the time your car is off the road. Fuel Injector Cleaning All modern cars have fuel injectors which are either underperforming or barely working at all. 1000's of miles of operation takes it's toll on the injectors in a modern car engine. By getting your fuel injectors serviced you can increase the performance of your car, and reduce the fuel consumption at the same time. In some engines a faulty injector can lead to problems which at worse could mean engine failure. Help to squeeze the last few horsepower out of you performance or racing engine by having your fuel injectors professionally serviced.