Auto >> AutoSPT >  >> Engine

Could a defective anti-afterfire solenoid prevent an engine from starting. bs 20hp vanguard?

Yes, a defective anti-afterfire solenoid can prevent an engine from starting. When the engine is shut off, the solenoid is supposed to close the valve that allows fuel to flow into the carburetor, preventing any unburned fuel from igniting and causing an afterfire. If the solenoid fails to close properly, fuel can continue to flow into the carburetor and ignite, causing the engine to run on without being started.