Ford Aerostar Rough Idle

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

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

While there are a variety of reasons your Ford Aerostar 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 Aerostar Questions

See what others are asking about their Ford Aerostar. Get answers from RepairPal's community of auto experts and enthusiasts.
I've run the devil out of my aerostars over the years -- and i now still have my third one a 91 with a 3.0 which i ha...
New plugs,wire's,coil pack,02 sensor,isc MOTOR.good compression vacuum steady at 18 MOTOR has valve train noise after...
Ford Aerostar Repairs and Prices
All costs based on RepairPal Fair Price Estimate™ averages. Actual prices may change depending on final diagnosis.

Ford Aerostar Rough Idle Repair Symptoms

A failing ignition coil can create several symptoms: Check engine light comes on Engine runs poorly or stall Increased emissions Reduced fuel economy Car won’t start I...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