Rough running after 2 days of cold
 

I started the camaro yesterday morning after two days of sitting in my garage in temps around 20. The engine was running really rough like a plug was not firing. The engine light flashed on and off then came on solid. Took the car on the road and after a couple miles all was well. Anyone else have the same problem ? I don't want to take it in since It can't be replicated. I left it overnight and it was fine this morning. I guess I'll grab the code if it is there.:(

they should still be able to read the code that was thrown and tell you what happened even if the cel is no longer on

Mine, after two nights of sub 20* weather, decided to tell me that the AC is off due to engine temp. The fans ran constantly from startup, neither temp gauge worked and the CEL was on. The car wouldn't remote start and key starting it took three tries. It acted like it had a voltage issue.

One day of 30* night weather, the CEL is gone, car remote starts and when I took it in to my service department, they couldn't even find a history of the code. This after OnStart sent me an email and everything, lol.

In any case, I do believe the battery might be weak. We'll find out as the weather turns cold again.

Well I got the car hooked up to get the codes and there were none ?? But this morning I did get an e-mail from Onstar and there was no code on it either. Nothing was listed where the codes are listed in the email ???
I'm off to start the car this morning and see if this happens again .