MAP sensor: Pressure sensor for the intake air. It is used to know the current level of demand on the engine.
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It is placed in the inlet manifold and it is used to measure the "load status" of the engine (the suction being produced by the engine). Along with the data from other sensors, the ECU adjusts the amount of fuel to be injected and the ignition to achieve the best kind of performance and efficiency.
Hello I was having trouble coming to a stop and my engine wants to stall so I finally came to replace the throttle body and did a tune up while under the hood with spark plug and ignition coil replacement and oil change. When I finished I come to turn the key and no start. I continue to replace the fuel pump, Mass, map sensors and crank position sensor. With my finally replace was the fuel injectors. After following the repair Manuel. Its turns on for a second and doesn’t stay on. I did a compression test and it passed with 170 psi every cylinder when I was driving lasted there was some loud noise coming from the engine but they went away. I check all the fuses and nothing blown