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Manifold absolute pressure sensors measure manifold pressures through changing voltage and sends this information to the onboard computer. The computer uses this and other inputs to calculate the correct amount of fuel delivered. Symptoms of failure include poor starting, detonation, a check engine light, and or no start conditions. Sensors are non-serviceable and therefore must be replaced when non-functional.
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. We are committed to supplying products manufactured to meet or exceed OEM standards and specifications. 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. As an ISO 9001:2008/TS16949 certified company, we are committed to supplying the highest quality products.
David E. Grindle
Reviewed in the United States on January 20, 2017
The pigtail provided with this MAP sensor will NOT plug into the sensor. The molded slots in the pigtail do NOT correspond with the blocks in the sensor thus preventing the pigtail from sliding into the sensor. More Chinese junk!! It's a shame that the all mighty dollar has vitually stopped manufacturing in the USA.
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