Ford Mustang Rough Idle

Learn if it's a simple fix or time to seek out a trusted technician.

What are common reasons my Ford Mustang has a rough idle?

While there are a variety of reasons your Ford Mustang has a rough idle, the most common 3 are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil.
of the time it's
Vacuum Leak
of the time it's
Spark Plugs
of the time it's
Ignition Coil

Get your Ford issue diagnosed by a professional

Find a high quality auto repair shop or dealer near you

Related Ford Mustang Questions

See what others are asking about their Ford Mustang. Get answers from RepairPal's community of auto experts and enthusiasts.
the car is running slightly rough not the smooth purr it use to have kind of like a bbb rough i...
Installed the camshaft sensor and it runs fine above 1500 rpm and really rough below. how do i adjust it?

Related Ford Mustang Problems

Find the most common driver-reported problems that are to blame when a Ford Mustang has a rough idle.
The ford mustang, with the 4.0l v6 engine, is known for a rough idle, engine stalling, loss of power, and misfires, a...
Ford Mustang Repairs and Prices
All costs based on RepairPal Fair Price Estimate™ averages. Actual prices may change depending on final diagnosis.

Ford Mustang Rough Idle Repair Symptoms

A failing ignition coil will create misfires in the engine, and lead to hesitation, extreme power loss, engine stalling, poor fuel mileage, and illumination of the check engine ...Read More
As we discussed, spark plugs are necessary for any gasoline engine to run. When they fail, the engine is in a constant state of attempting to ignite air and fuel, but cannot. Th...Read More