hows everyones cavs run in the winter? ever since its gotten colder its been using more gas and the other day i put in 90 octane ethonol gas and injector cleaner and it runs so differently, i think its running to rich cause when i ge tit gas in park the exhaust pops. also the other day on the highway i had it in cruise control and wasnn't paying attention and knocked it into neutral. surprising the car will not go into the red line, the gas cuts off before then. amazing i thought it was gone for sure but anyways anyones opinions wil be good.