The owner of a 2000 BMW 740 reports that the vehicle smokes heavily during startup, with oil found on the spark plugs and in the boot. This issue aros...

The owner recently purchased a 1997 Ford F-150 with a 4.6L V8 engine and noticed a faint amount of black smoke at idle. The vehicle has had its cataly...

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 excessive black smoke coming from the exhaust when accelerating, both in park mode and while driving. This issue became apparent aft...

The owner reports that their 1997 Chevy Lumina with a 3.1 V6 engine runs roughly at startup and emits a lot of smoke from the tailpipe. The engine doe...

The owner of a 1992 Chevy Cavalier Z24 with a 3.1 MPFI engine reports persistent loping and stalling problems. Despite replacing the fuel pressure reg...

The owner reports seeing white smoke coming from the tailpipe when starting the vehicle. They haven't performed a tune-up recently and are hopeful for...

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

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 recently repaired part of the exhaust system using a 2-inch pipe secured with clamps. Since the repair, the car has developed a ticking nois...

The owner of a 2001 Pontiac Grand Prix GT with a 3.8L engine and 194,000 miles reports occasional dense blue smoke during deceleration, lasting one to...

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 their 1993 Ford Probe 2.0 smokes heavily on startup. They replaced the valve seals with cheaper aftermarket ones from eBay but ...