Circuit/System Testing: P0507
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Vacuum leaks
- A throttle valve that does not close correctly
- Verify the correct operation of the crankcase ventilation system. Inspect for the following conditions:
- The routing of the positive crankcase ventilation (PCV) system
- Vacuum leaks in the PCV system-Refer to Crankcase Ventilation System Inspection/Diagnosis
- If a condition is found, repair as necessary.