* Oil leaks: If there is an oil leak, the oil can drip onto the exhaust system and create a burning smell.
* Coolant leaks: If there is a coolant leak, the coolant can leak onto the engine block and create a sweet smell.
* Transmission fluid leaks: If there is a transmission fluid leak, the transmission fluid can leak onto the exhaust system and create a burnt smell.
* Electrical problems: If there is an electrical problem, such as a short circuit, it can create a burning smell.
* Exhaust problems: If there is a problem with the exhaust system, such as a clogged catalytic converter, it can create a bad smell.
If you notice a bad smell when the engine is running in your Buick Park Avenue Ultra, it is important to have it checked out by a qualified mechanic as soon as possible to identify the cause and prevent any further damage.
