Circuit/System Verification
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. 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 and 7.0L engine.
- Oil Pressure Diagnosis and Testing for the 4.3L engine.
- Oil Pressure Diagnosis and Testing for the 6.6L engine