Tangential story. About 7 years back I had a Saturn SC2. One day the warning lights and speedometer etc went all wonky. Car wouldn't start etc. Mechanic said it's likely the computer needs to be replaced.

Fast forward to me figuring out where it was located. I removed it, blew out the connection with just my mouth as I didn't have compressed air to use, and put it back. Worked perfectly after that until my shifting forks cracked several years later and I had to junk the car. Man I loved that car. Good ol' Phoebe (a moon of Saturn and what I named my car)