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Home >> Chevrolet >> 2017 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 31 (Engine Controls And Fuel - 1.8L (LKN) - Description And Operation) >> Description and Operation >> Evaporative Emission Control System Description >> Small Leak Test

Small Leak Test

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This vehicle does not use the engine OFF natural vacuum diagnostic for small leak detection. Instead it uses the EVAP leak detection pump hardware. This test executes when the propulsion is not active at 5, 7 or 9.5 hours after the vehicle has been shut OFF.

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