Close

Oldsmobile Alero Rough Idle

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

What are common reasons my Oldsmobile Alero has a rough idle?

While there are a variety of reasons your Oldsmobile Alero 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.
34%
of the time it's
Vacuum Leak
21%
of the time it's
Spark Plugs
15%
of the time it's
Ignition Coil

Get your Oldsmobile issue diagnosed by a professional

Find a high quality auto repair shop or dealer near you
x

Related Oldsmobile Alero Questions

See what others are asking about their Oldsmobile Alero. Get answers from RepairPal's community of auto experts and enthusiasts.
In neutral its just a little vibration , but when in drive it shakes pretty bad , thr motor mounts look ok amd intact...
Installed water pump and thermostat now car idles fast and tries to die when you stop also sounds rough when idling. ...
Oldsmobile Alero Repairs and Prices
All costs based on RepairPal Fair Price Estimate™ averages. Actual prices may change depending on final diagnosis.

Oldsmobile Alero 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