What Happens When the Charcoal Canister Solenoid Valve Fails?

1 Answers
LukasAnn
07/30/25 5:05am
Damage to the charcoal canister solenoid valve not only increases fuel consumption but also affects the normal operation of the car's engine. If the solenoid valve remains closed, gasoline vapor in the charcoal canister will accumulate more and more, eventually overflowing, leading to waste and environmental pollution. More information about the car's solenoid valve is as follows: 1. If the solenoid valve remains open, the air-fuel mixture in the engine's intake tract will continuously be in an enriched state. 2. Since the engine's control unit is not yet controlling the charcoal canister solenoid valve at this time, it will not issue a command to reduce the fuel injection volume. This can result in an overly rich mixture causing the engine to stall when hot, as well as difficulty starting after a hot stall.
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