Strictly manufactured according to OEM standards, perfectly replacing old or malfunctioning solenoid valves. Precisely control and optimization of oil efficiency: As the cores monitor component of the automotive oil evaporation (), the solenoid valves accurately receives signals from the onboard computer and introduces the oil vapors adsorbed by the carbon canister into the engine for combustion at the optimal time. Effectively volatilization and significantly improve oil economy. High temperature resistance: The shell is reinforced engineering , which is shockproof. The internal valves cores sealing rings is advanced fluororubber, which can resist the high temperature baking, high vacuum pressure, and continuous erosion of vapors in the engine compartment for a long time, refuse air leakage, and have an extremely long service life. Resolution of engine malfunction light: When your car difficulty starting cold, jerking during refueling, inexplicable increase in oil consumption, or the instrument panel lights up the engine malfunction light and reads common systems fault codes