What Causes a Fuel Dispenser to Fail to Pump Oil?

1 Answers
SanGia
07/30/25 5:01am
A fuel dispenser failing to pump oil is most commonly caused by issues such as motor reversal, computer malfunction, solenoid valve failure to open, flow meter jamming, clogged fuel nozzles, hoses or pipelines, vapor lock, or inflexible operation of the foot valve. The foot valve consists of components including the valve body, valve cover, valve disc, sealing ring, and gasket. Relevant information about engine oil is as follows: 1. Introduction: Engine oil, also known as engine lubricant (English name: Engine-oil), with a density of approximately 0.91×10³ (kg/m³), serves to lubricate and reduce friction, assist in cooling, seal against leaks, prevent rust and corrosion, and cushion shocks in the engine. It is often referred to as the 'blood' of a car. 2. Composition: Engine oil is made up of base oil and additives. The base oil is the primary component of lubricating oil, determining its fundamental properties, while additives compensate for and enhance the shortcomings of the base oil, imparting new characteristics. Additives are an essential part of lubricating oil.
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