Delivery123
New member
I've got a 2015 Sonic LS currently sitting at about 108k miles. Around 105k, an hour into a two hour drive, I looked out my rear view and couldn't see anything behind me due to thick smoke. I pulled over, threw my hazards on, and waited for a tow. A friend of the parents drove it around for a week with no issue, so it was given back, but sure enough a day later it smoked up again. This happens two more times in the span of about a week, and then once again a month or so later. Each time this has happened, it's been accompanied by a loss of engine power and what feels like a rough idle. The smoke is either white or light grey.
I brought the car to a mechanic and had them run a coolant system pressure test, which came back all clear, so thankfully it isn't something like a head gasket, but I drive delivery for a living and can't afford to have my vehicle out of commission.
Other issues with the car currently include an intermittent P0420 code, and I know I need to replace my spark plugs, but other than that it's been a great ride. If anyone has any idea what might be the issue, I would really appreciate it.
I brought the car to a mechanic and had them run a coolant system pressure test, which came back all clear, so thankfully it isn't something like a head gasket, but I drive delivery for a living and can't afford to have my vehicle out of commission.
Other issues with the car currently include an intermittent P0420 code, and I know I need to replace my spark plugs, but other than that it's been a great ride. If anyone has any idea what might be the issue, I would really appreciate it.