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Home >> Cadillac >> 2000 >> Escalade V8-5.7L VIN R >> 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 >> Excess Vacuum Test

Excess Vacuum Test

(Pass/Not Run/Fail)
The Excess Vacuum Test will Fail if fuel tank vacuum builds at an excessive rate during normal EVAP canister purge. A restricted vent valve or vent valve hoses will cause improper venting. The scan tool display states for this parameter are Pass and Not Run/Fail.
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