LT1 won't start..HELP!!!
 

I parked my trans am in my driveway a few days ago and didnt start it for 3 days, when I went to go start it, it wouldn't fire. I ran a scan on it and i got this code "Ignition System Problem elec spark timing (EST) open circuit" I checked all my plugs and everything is plugged in. I am not sure what else I can do.

Opti probably took a dump..

Any code relating to the Ignition is probably relating to the Optispark. In my experience, stick with OEM. You can buy one from a dealer. Stay away from the cheap ones.

I really not hope, Its a brand new GM opti with only 273 miles on it

There's a little wire that plugs into the top of the Opti. Make sure that is securely plugged in. I know mine wasn't when I replaced it and ti would sit there and crank all day.

The plug coming from the wiring harness?

Yea, it goes into the top of the Opti.

I pushed on it and its on there pretty good

I would question the warranty on your Opti and go from there. I don't know what else could be holding it up. Are you getting fuel?

List of mods?

edit- did you reset the battery? (to reset the code)

Ported heads/intake
custom cam
30lb SVO injectors
1.6rr
LT's
52mm TB
CAI
MSD coil
GM opti
electric water pump

and I'm definately getting fuel

Is everything connected near the Coil, make sure nothing come un-plugged..

yea, everything is plugged in i double checked..and what boggles my mind is that the computer is saying open circuit which usually means something is unplugged, but its not