Buick Skylark Rough Idle

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

What are common reasons my Buick Skylark has a rough idle?

While there are a variety of reasons your Buick Skylark 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

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1994 buick skylark 2.3l 4 cylinder at idle engine is rough (cylinder missing?). will not accelerate above 30 mph. 2 m...

Related Buick Skylark Problems

Find the most common driver-reported problems that are to blame when a Buick Skylark has a rough idle.
The spark plug wire rubber boots may get soaked with oil, causing a misfire or rough idle.

Buick Skylark 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