The Vintage Sears Engine Analyzer Model 28-2163 is a diagnostic tool specifically designed for passenger vehicles. Made in the USA, this analog display multimeter allows users to analyze and troubleshoot engine issues with precision. With the trusted brand of Sears and the specific manufacturer part number 28-2163, this engine analyzer is a reliable and essential tool for any automotive enthusiast or professional mechanic looking to diagnose and fix engine problems effectively. S2