Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
The MAP sensor is located on the front side of the car under the hood. Its located next to the throttle body. This part does not normally go bad but the vacuum hose from the intake to the sensor does. It will crack and cause a vacuum leak.
Here is the map sensor below, You will have to take off the fresh air hose coming from the air cleaner to the top of the engine.