Circuit/System Verification
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Engine running, observe the scan tool Engine Oil Pressure Sensor parameter. The reading should be between 41-448 kPa (6-65 psi).
- Verify the engine oil pressure, refer to:
- Oil Pressure Diagnosis and Testing for the 4.8L, 5.3L, 6.0L, 6.2L or 7.0L engines
- Oil Pressure Diagnosis and Testing for the 6.0L (LFA) engine.