Is the check engine light on in your 1982, 1983 and 1997, 1998, 1999, 2000, 2001, 2002, 2003 Malibu and Chevelle. Your Malibu and Chevelle's emission parts fail due to wear and engine heat. A manifold absolute pressure sensor is a type of sensor that measures the change taking place in engine manifold pressures. Although it is used to determine the amount of pressure and density of air in the engine, it should not be confused with other sensors such as a barometric sensor and a mass airflow (MAF) sensor, which are used respectively in gauging high altitudes and the air flow and density required to come up with fuel adjustments.
Vehicle Fitment:
The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.