On this vehicle what may appear to be a leaking trans pan gasket could easily be an O ring at the electrical connector instead of the pan gasket. Here are the details
This tool attaches to the key in the ignition and then allows the user to take the controller around to the front of the vehicle and bump, start, and turn off the engine for testing. You can buy this tool at realfixesrealfast.co m
You don't convict someone of a crime based on your gut feeling. You need solid evidence. Finding the problem with a car is the same. If we gather the evidence, it will lead us to the problem. Here's an example.
An Oxygen sensor can be manually forced down to 0 volts and up to 1 volt. That is it's full range. So, if it will full range it proves that the sensor is good. Here is how to do it