Trailblazer oil pressure test WITHOUT the J-42907 (Oil pressure gauge lies VIDEO 2)

Continuing from the last video - In order to prove that the oil pressure gauge lies, we need to be able to test the actual oil pressure. The service manual says that you need a special tool to do it. Here, I’m trying to save a cool $100 by not buying the special tool. But, in order to be fair, I bought the special tool to confirm that this method will give the same results, and to further prove that the oil pressure gauge in the truck is a made up number. Part 3 coming soon! Auto meter m16x1.5 adapter: OTC oil/trans pressure tester: