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Home >> Saturn >> 2003 >> L200 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Fuel Systems >> Fuel Tank Leak Test >> Description

Fuel Tank Leak Test: Description

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The fuel tank leak test is used to locate any fuel or fuel vapor escaping the fuel tank area. Fuel vapors escaping above the fuel level will be detected when the Evaporative Emission (EVAP) diagnostics complete one test cycle. The MIL will illuminate after the EVAP diagnostics completes 2 test cycles.

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