I am having much issues with my DIY MS. I have a JimStim and when connected to that all is fine. When the ecu is in the car and the car is turned over, the rpm readout on Tunerstudio jumps from ~250 to 0. I heard that this is a major area of concern that is more than likely my issue. However I cannot find a solution to this. I read about an optoisolator which is installed on my board.
The car has been started and ran for approximately 20 seconds. Ever since it shut off, it has not started again. When a spark plug is pulled, I get one spark then nothing after that.
I've been doing a lot of reading and have tried everything I could tell was the issue.
-Changing spark plugs (read that non-resisted plugs cause noise?)
-Changed coil packs
-Setting up different ignition setups on Tunerstudio from reading other peoples success stories
-Setting noise filter
1.6L Stock ignition/cas
DIY MS running in standalone
Someone else built my ECU for me, I will attach a picture of the ECU so you can see if the jumper wires and ignition setup is correct.
Sorry for the poor quality of the pics. If there is more detailed pics required I will post them ASAP.
I am extremely new to Megasquirt. I apologize for my ignorance, however if someone could provide some guidance that would be great. If I am missing anything to further help diagnose my issue just let me know and I will try to get the information as soon as possible.