Ok my car takes either 10 minutes to die or will last up to an hour before it will die, and it can take up to 45 minutes before I can get it to start. I tested the ICM harness when the car would not start and am not getting the 1 to 4 volts. But of course I do get the correct voltage when the car does work. So what do you think this is that cause it to sometimes work but sometimes not. Thanks for any help.

 

Mine car has also been doing that, if i leave my key on my fuel pump will reset and run for another 5 seconds. Sometimes it will click off then back on before the 5 seconds is up. The other day it ran for about 20 seconds straight.

 

can the opti make it kill the power?