Saab 9-7x Rough Idle

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

What are common reasons my Saab 9-7x has a rough idle?

While there are a variety of reasons your Saab 9-7x 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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Related Saab 9-7x Questions

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I believe after research its the spark plugs or cat or even coil no need to replace whole engine

Saab 9-7x 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