The owner reports that their 2002 Volvo S60 diesel engine is producing black smoke, indicating overfueling. The vehicle has experienced this issue rec...

The owner reports that after replacing the head on a 1995 Honda Prelude H23A1 engine, there is white smoke mainly when the engine reaches operating te...

The vehicle owner has a Saturn purchased in August 2012, previously trouble-free, but recently ran the gas to empty and refilled with 89 octane. They'...

The owner of a 2006 Saturn Ion reports a noticeable exhaust noise, suggesting a potential leak. The noise is particularly pronounced around the area b...

The owner reports that their 2008 Suzuki Maruti 800 has been emitting white smoke from the exhaust for the past week. They are seeking advice on how t...

The owner reports that the muffler of their 2007 Mitsubishi Eclipse has become increasingly noisy over the past few months. Initially, there was no no...