The engine vacuum hose to the MAP sensor may crack resulting in a vacuum leak causing the engine to run rough and/or stall.Google+
Car Problem Reports
Chevrolet Cavalier Engine Vacuum Hose to MAP Sensor May Crack
Chevrolet Cavalier Problem
Engines Affected: 2.3L 4 Cylinder, 2.4L 4 Cylinder
Average Mileage: 180,000 mi (165,000 mi - 195,000 mi)
Visitor, 1999 Chevrolet Cavalier, 2.4L 4 Cylinder, 165,000 mi
same as described except i lose my brakes when the car is running badly my break pedal is so hard to push i almost gotta stand on it to stop. and it dies when i stop at lights or slow way down to turn or wait on traffic,. also transmission shifts very very hard like. ..
Visitor, 1998 Chevrolet Cavalier, 2.4L 4 Cylinder, 195,000 mi
used carb cleaner to spray onto the vacuum hoses. Replaced affected hose.