Walker Products 240-91004 Vehicle Speed Sensor

Symptoms of failure include hesitation, surging, improper shifting, loss of cruise control, loss of speedometer. Recommended service is to check connections for proper output signal. Walker Products began supplying the fuel system needs of the automotive industry in 1946. Today Walker is one of the largest, privately owned manufacturers of fuel system components and engine sensors, and has served the needs of the worldwide automotive aftermarket. This effort is backed by our own Manufacturing, product management and engineering staff to ensure it is maintained and accurate in the production of quality parts, vehicle applications, instruction sheets and technical support. Our products include Carburetor and Fuel Injection Repair Kits, Oxygen Sensors and other Engine Management products such as Throttle Position Sensors, Cam and Crankshaft Sensors, Fuel Injectors, Spark Plug Wires and Gaskets. Vehicle speed sensors send electrical pulses to the computer Pulses are generated through a magnet that spins a sensor coil When the vehicle's speed increases, the frequency of the pulse also increases Recommended service is to check connections for proper output signal