What Can Make a Car Idle Rough & Die?

Answer Drivability concerns, such as rough idling and stalling, can be signs of a complex problem with the vehicle and its systems. The modern automobile is a technological marvel, and it has many systems... Read More »

Top Q&A For: What Can Make a Car Idle Rough & Die

Can Old Gas Make a Car Idle Rough?

Processed crude oil and approximately 150 chemicals are added to the fuel cocktail known as gasoline. The mixture is refined and "brewed" to maintain specific characteristics like volatility. When ... Read More »

How to Fix a Rough Idle?

Engine rough idle can be caused by a series of problems, or just one faulty component or adjustment. Finding the problem can be daunting, especially with so many sensors and switching valves involv... Read More »

How to Troubleshoot a Rough Idle?

An engine can develop rough idle for several different reasons. Rough idle is often derived from wrong fuel and air delivery or poor spark delivery. Generally, rough idle can be diagnosed by visual... Read More »

Why Does My Exhaust Smell Like Gas & My Car Have a Rough Idle?

The internal combustion engine requires a precise mixture of fuel and air to run correctly. Too much of either can result in severe running issues. When your engine idles rough and the exhaust has ... Read More »