Check the listing for details. 1984-1995 C4 Corvette Manifold Absolute Pressure Sensor Test Tool. Condition: New. Listed at 29.95 USD. 1984-1995 Corvette Manifold Absolute Pressure Sensor Test Tool Corvette engine performance depends heavily upon the manifold absolute pressure sensor which measures the variances in intake manifold pressures. This information is fed to the ECM, which uses it to adapt fuel mixture to different driving conditions. It even adapts to different altitudes. This Corvette Manifold Absolute Pressure Sensor Test Tool allows you to test the function of this sensor with a digital voltmeter.Direct ConnectAllows Easier DVOM Testing Click here for more C4 Electrical! Visit Mid America Motorworks eBay store for Corvettes! We offer over 9,500 Restoration Parts, Performance Upgrades and Personal Accessories for 1953-2023 Corvettes and Corvette Owners. FREE SHIPPING within 48 STATES. If shipping to: Alaska, Hawaii or Puerto Rico please email our eBay Store for a shipping quote. For shipping outside the US please use the eBay Global Shipping program. Thanks for looking!