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Saturn SW2 Rough Idle

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

What are common reasons my Saturn SW2 has a rough idle?

While there are a variety of reasons your Saturn SW2 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

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Related Saturn SW2 Questions

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Just recently rpm's at idle go from 1100 to about 700 then up to about 1200 then down again. rough idle. Then often p...
Saturn SW2 Repairs and Prices
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Saturn SW2 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