What is the air pump used for on 1987 2.8 V6 Chevrolet Camaro?
The air pump on the 1987 2.8 V6 Chevrolet Camaro is used to inject air into the exhaust manifold to help reduce the emissions of unburned hydrocarbons (HC) and carbon monoxide (CO). This is done by introducing oxygen into the exhaust system, which helps to "burn off" these unburned pollutants.