The MAP Sensor in Jeep Wrangler cars is one that provides effortless measurement of the positive air pressure that is inducted into the intake manifold. This small transmission unit sends signals to the engine's ECU as it determines the right setting of fuel injectors to match the air volume in the engine cylinders so as to produce the right air/fuel mix for combustion. In L155 Jeep Wrangler models there will be various types of MAP sensors being installed, of course, depending on the type of engine employed natural induction or forced ones. Although naturally aspirated engine may therefore use either the MAP Sensor or mass airflow (MAF) sensor, the forced induction engines will make use of both since they provide better performance. The MAP Sensor also plays a role of OBD II helping in the testing of the EGR valve so that the operation of the engine can be effective. Collectively, the MAP Sensor is important in controlling the fuel flow for better performance of Jeep Wrangler cars.
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