172 ph1
So here's the thing:
I was trying to run map to my ECU with RStuner (need to be done with the key on ignition) but my ECU wont start up until i start the engine. I was using battery charger so the battery voltage should be fine. Any ideas why the ECU wont start up when key is on ignition ?
I was trying to run map to my ECU with RStuner (need to be done with the key on ignition) but my ECU wont start up until i start the engine. I was using battery charger so the battery voltage should be fine. Any ideas why the ECU wont start up when key is on ignition ?