Combination valve, checking: Conditions
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2002 Volkswagen Jetta, 2002 Volkswagen GTI, 2001 Volkswagen Jetta, 2001 Volkswagen GTI, and 2000 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
- No DTCs in DTC memory: Refer to 01 ON BOARD DIAGNOSTIC (OBD)
- Output diagnostic test mode completed: Refer to 01 ON BOARD DIAGNOSTIC (OBD)
- Vacuum lines and hose connections tight
- Vacuum lines not clogged or kinked