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Home >> GMC >> 1999 >> Savana 1 Ton Van V8-6.5L DSL Turbo VIN F >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data, Normal Values and Definitions >> Scan Tool Data Definitions - Powertrain Systems >> Lift Pump System
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Lift Pump System

Range disabled/enabled
Indicates whether or not the PCM has requested the lift pump to be turned ON. This display can not be used to determine if the lift pump is actually ON.
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