I have an 03 Cobalt
Recently it has had some problems within the last month. On startup, the engine runs very rough until I press on the gas and rev the engine for a few seconds. Originally this would only occur if it had been more than a day in between use, but now it is every time.
Something must be out of balance I suppose, could you guys help me out with the most common problems that could cause this. I have a small knowledge of cars and I am taking it to a mechanic this weekend, but if I have an idea of the problem going into it beforehand that would be better.
Possibly unrelated, in the past month a couple of times on startup there has been a large cloud of whitesmoke from the tailpipe. (No, the odor is not sweet, no it is not coolant) I have heard from other sources that white could just be moisture buildup within the tailpipe from humidity/rain but the clouds of smoke seem way too big to be just moisture... But this hasnt happened in a few weeks so I think that was a one or two time thing...
Recently it has had some problems within the last month. On startup, the engine runs very rough until I press on the gas and rev the engine for a few seconds. Originally this would only occur if it had been more than a day in between use, but now it is every time.
Something must be out of balance I suppose, could you guys help me out with the most common problems that could cause this. I have a small knowledge of cars and I am taking it to a mechanic this weekend, but if I have an idea of the problem going into it beforehand that would be better.
Possibly unrelated, in the past month a couple of times on startup there has been a large cloud of whitesmoke from the tailpipe. (No, the odor is not sweet, no it is not coolant) I have heard from other sources that white could just be moisture buildup within the tailpipe from humidity/rain but the clouds of smoke seem way too big to be just moisture... But this hasnt happened in a few weeks so I think that was a one or two time thing...
