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Vapor Lock

Vapor lock is the formation of bubbles in the fuel lines when fuel boils due to extreme heat. It prevents fuel from reaching the engine.

created: May 13, 2010 - last edited: May 13, 2010 - category: Fuel System

Vehicle has a short

The battery is usually grounded to the metal of the vehicle. If there is a short circuit in the vehicle, the electricity will continuously flow from the battery and can cause excess heat within the ba

created: Jun 7, 2008 - last edited: Dec 10, 2010 - category: Electrical and Charging

Vehicle Speed Sensor

The vehicle speed sensor is a device used to determine the vehicle's speed. It uses a rotating magnet to generate an electrical current, which is then sent to the ECU. It can be mounted on the transmi

created: Jul 9, 2010 - last edited: Jul 9, 2010 - category: Gauges and Sensors

Vents plugged or restricted

If the vents are plugged or restricted, the air flow from the blower will be diminished. Depending on the amount of restriction, air may flow while the vehicle is moving, then slow or stop when the ve

created: Jun 7, 2008 - last edited: Jul 7, 2010 - category: Interior and Accessories

Voltage Regulator

The voltage regulator is a device in the vehicle's charging system that maintains the electrical output of the alternator to between 13.5 and 14.5 volts. It acts as a stopgap to prevent too much curre

created: Jun 8, 2010 - last edited: Jun 8, 2010 - category: Electrical and Charging

Water in Fuel System

If water enters the fuel system, it can alter the fuel/air ratio and reduce engine power and/or fuel economy, potentially stalling the engine. If water enters the combustion chamber in small amoun

created: Mar 11, 2011 - last edited: Mar 20, 2011 - category: Fuel System

Water Jacket

A water jacket, or cooling jacket, is a channel in the engine through which water and coolant flow to cool the engine.

created: May 13, 2010 - last edited: May 13, 2010 - category: Engine

Water Pump

The water pump, also called coolant pump, is a device that circulates liquid through the cooling system. It circulates the liquid from the engine water jackets to the radiator.

created: May 13, 2010 - last edited: May 13, 2010 - category: Cooling

Wheel Balancing

Wheel balancing is a procedure that ensures that the weight of the wheel is distributed evenly to reduce or eliminate vibration, improve performance, and reduce tire wear.

created: May 13, 2010 - last edited: May 13, 2010 - category: Wheels and Tires

Wheel Bearing

A wheel bearing is a bearing that cushions the contact between the wheel and spindle.

created: May 13, 2010 - last edited: May 13, 2010 - category: Wheels and Tires