OE Manifold Absolute Pressure (MAP) Sensors

Built with an intelligent design that reduces the number of components and lowers the possibility of sensor output changes over the life of the part, ACDelco GM OE Manifold Absolute Pressure (MAP) Sensors are the ideal replacement part for your worn original equipment on GM vehicles.

Product Facts
Find out more about ACDelco GM OE Manifold Absolute Pressure (MAP) Sensors and how they fit into the Exhaust and Emissions System with the product facts below. 

Measures the amount of air entering the engine to determine the most efficient air/fuel mixture for achieving clean burns. 

Engine hesitation, stalling, decline in engine performance, "Service Engine Soon" light illuminates. 

The Fuel and Engine Management System supplies the proper mixture of air and gasoline to the engine while reducing harmful fuel vapors and exhaust pollutants.

Make a service appointment if your vehicle shows any of the following symptoms: 
  • Illumination of the "Service Engine Soon" light
  • Improper engine idling, hesitation or stalling
  • Excessive exhaust smoke
  • Abnormal engine noises
  • Noticeable fuel odours - The fuel filter should be replaced according to the maintenance schedule shown in your Owner's Manual.

Also, have your engine tuned up regularly. A plugged/restricted fuel injector (if equipped) can reduce fuel efficiency.