Diagnostic Aids
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
Fluorescent dye assists in locating leaks in the system. A high-intensity black light will make the dye glow. - Green or Yellow
Illuminate the area(s) of concern For example:
- G18 High Pressure Fuel Pump
- Q17 Fuel Injector
- Fuel Line
- Fuel Rail