I may know what the problem was. First, it was the battery. I found that when starting the vehicle, nothing was powered. No lights, no gauges, nothing. I replaced the battery, which seemed to let the car make the starting sounds, but still wouldn't run. I pulled the dipstick and the oil looked pretty bad, so I replaced that too. Seemed to get it running! P.S. I also went through some jail time you had, so don't worry about that.
The new save game is linked here (Copy and paste if you can't click it):
https://drive.google.com/file/d/1PgcAAYGUDMldNkqszTK171aTaajsjcd_/view?usp=sharing