What Causes Vapor Lock in Gasoline Tractor Engines?
tractor image by jeancliclac from Fotolia.com jQuery(document).ready(function(){ jQuery(‘#jsArticleStep1 span.image a:first’).attr(‘href’,’http://i.ehow.com/images/a06/ab/kf/causes-lock-gasoline-tractor-engines_-1.1-800X800.jpg’); }); Vapor lock is an old problem that is easily solved. Vapor lock occurs when the gasoline being supplied to an engine that typically, but not exclusively, uses a carburetor becomes overheated and turns into a gas in much the same way that a boiling kettle produces steam from water. Liquid fuel cannot reach the engine, thus causing it to stop or become incapable of being started. The “lock” may occur in the carburetor, fuel pump or the fuel line, but the cause is always excessive heat in the delivery system. High Ambient Temperature The nature of many tractor engines, exposed and basic as they are, makes them readily susceptible to rapid heating if left standing in extremely high heat. Parking in the shade or using a crude, improvised screen can can help kee