... combustion of gas, increase of carbon deposits and nonconforming tail gas, etc. While on the ... Test Kit is a necessary tool for repairing and maintaining injection system of engine.1. UsesYZR ... produced by Volkswagen AG., China FAW Group Corporation and Shanghai Volkswagen Co., Ltd., such as Audi, ... Passat, Santana, Red Flag ,Golf and Jetta, etc.2. Main technical parametersMeasuring range: ...