The vehicle is currently running but exhaust and gas are going in opposite directions which means if you turn on the A/C and idle for a few seconds you are going to smell exhaust coming in from the air vents. The problem is caused by a Cylinder 8 Misfire which according to Autozone, might explode or catch fire or at least quit running for good. It hasn't happened yet but it might in the future.
engine cylinder 8 misfire
The vehicle is currently running but exhaust and gas are going in opposite directions which means if you turn on the A/C and idle for a few seconds you are going to smell exhaust coming in from the air vents. The problem is caused by a Cylinder 8 Misfire which according to Autozone, might explode or catch fire or at least quit running for good. It hasn't happened yet but it might in the future.
- Changjin T., Oxford, OH, US