OBD trouble codes related to EVAP system include p0443-0457/p0465-0469. If sucn trouble codes are detected, EVAP system should be tested. EVAP, E-G-R Test. Smoke leak detector, because of the characteristics of smoke, can carry out leak detection on the whole set of pipelines, visual operation, omni-directional, no dead angle, and no leakage point.
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