1. There is a gasoline smell in the car - The gasoline vapor entering the carbon canister cannot be absorbed and directly discharged into the air, resulting in a gasoline smell in the car
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Idle speed is unstable, quickly accelerate the crash - The failure of the solenoid valve cannot be opened or closed normally, causing the ECU to reduce the fuel injection amount or abnormal reading signals, resulting in insufficient power or abnormal idle speed fluctuations
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3. Difficulty starting the engine - When parking, a large amount of gasoline vapor enters the intake manifold, starting the engine mixture is strong, it is not easy to start
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4. The tank generates negative pressure - When the engine is working, the vacuum suction of the intake manifold will cause negative pressure in the fuel tank. This will cause the tank to be sucked flat and easily clip the oil pump
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