Low Main Line Pressure in Specific Ranges, Normal Pressure in Other Ranges. GMC Truck Sierra Denali 2009

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra Denali 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Low Main Line Pressure in Specific Ranges, Normal Pressure in Other Ranges

Condition	Action
Seal leak	Replace the seals that are causing low pressure in a particular range.