This is one way that modern vehicles ensure the best air fuel ratio for the internal combustion engine s performance.
Gm 3 bar map sensor autozone.
The map sensor s function is to measure manifold pressure and send that data to the engine computer which calculates air density and air mass flow rate to adjust fuel metering and ignition timing.
I really dont want to make the pms mad.
The pressure inside the intake manifold is an extremely important input to the ecu.
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These sensors accurately produce voltage or frequency as intake manifold pressure changes and the computer uses this information to measure.
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Version please let me know.
Map manifold absolute pressure sensor provides engine load and barometric pressure readings to the computer.
You wont like pms when its mad.
This sensor will respond to changes in manifold pressures and relay the information to the ecu in the form of a voltage signal ranging from about 1 volt to 5 v several different versions are available for normally aspirated and engines with blowers.