ANCEL S100 EVAP Smoke Machine Leak Detector Pipe Smog Tester Diagnostic Tool. ANCEL S100 Car Smoke Leak Detector Automotive EVAP Leakage Gas Leakage Locator Oil Pipe Generator Diagnostic Tool. EVAP SYSTEM TEST: Leakage in the fuel evaporation system causes fuel vapour to escape into the atmosphere, resulting in waste and pollution or unstable engine idling.
