The SelTec® Complete Fuel Injection Service is a complete upper engine induction cleaning. Some people refer to this procedure as a flush, purge, or de-carbonization. The SelTec® Complete Fuel Injection service is effective at helping vehicles pass emission standard testing, so it can also be referred to as an Emission Service. What is the procedure? The SelTec® Complete Fuel Injection Flush Kit contains 3 parts, including the SelTec® Fuel System Cleaner #1212 that is installed into the tank. This provides all of the benefits laid out in the previous section on Fuel System Service, such as removing water and cleaning fuel injectors. The other 2 parts are SelTec® Air Intake Cleaner #3636, and SelTec® Combustion Chamber Cleaner #303. The first step in this procedure is to install the #1212 tank additive. The second step is to clean the throttle body and air intake system with the #3636. This is a one-job size can of high quality air intake cleaner. It is effective at removing deposits fr