The Actron III Ignition Module & Engine Sensor Tester (CP9087) is a diagnostic service tool designed to test ignition modules and engine sensors in automotive vehicles. With the manufacturer part number CP9087, this product is known for its reliability and accuracy in diagnosing issues related to the ignition system. The Actron brand is known for producing quality diagnostic tools, making this product a valuable asset for automotive professionals and car enthusiasts looking to troubleshoot and repair their vehicles.