Oldsmobile 98 Rough Idle

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

What are common reasons my Oldsmobile 98 has a rough idle?

While there are a variety of reasons your Oldsmobile 98 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 Oldsmobile issue diagnosed by a professional

Find a high quality auto repair shop or dealer near you

Related Oldsmobile 98 Questions

See what others are asking about their Oldsmobile 98. Get answers from RepairPal's community of auto experts and enthusiasts.
After driving for a awhile you come to a complete stop then try to take off the car is very sluggish, what would be c...
The condition occurs most often after idling for a few minutes such as in traffic or waiting at a store. sometimes ju...

Oldsmobile 98 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
When spark plugs fail, the engine will struggle. The check engine light will come on, and it may appear either solid or flashing. The driver would likely notice one or more of t...Read More