(GT1A) The S & G Tool Aid Fuel Injection Pressure Tester #TE-33950 is a diagnostic tool specifically designed for gasoline engines in passenger vehicles. With a maximum pressure of 100 PSI, this pressure tester allows for accurate and efficient detection of leaks in the fuel injection system. Manufactured by S&G Tool Aid, this product is a reliable tool for automotive professionals and car enthusiasts looking to maintain the performance of their vehicles.