Mopar 33004761 Sensor-Magnetic Speed

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Information sensors provide the computer with data on the engine's operating conditions, allowing for adjustments to be made to improve fuel economy and reduce emissions. The oxygen sensor, located in the exhaust manifold or down pipe, measures the oxygen content in the exhaust and sends a voltage signal to the computer to adjust the fuel/air mixture. The knock sensor detects engine detonation and sends impulses to the computer to retard ignition timing. The coolant temperature sensor monitors coolant temperature and provides input to the computer for fuel/air mixture and ignition timing adjustments. The manifold absolute pressure sensor reads pressure changes in the intake manifold to vary the air/fuel mixture. The manifold air temperature sensor measures air temperature in the intake manifold to adjust the fuel/air mixture. The throttle position sensor senses throttle movement and position to transmit an electrical signal to the computer. The crankshaft position sensor detects engine speed and crankshaft angle for ignition timing and fuel injector control. The vehicle speed sensor sends a voltage signal to the computer to determine vehicle speed.