Volvo S70 Rough Idle

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

What are common reasons my Volvo S70 has a rough idle?

While there are a variety of reasons your Volvo S70 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 Volvo S70 Questions

See what others are asking about their Volvo S70. Get answers from RepairPal's community of auto experts and enthusiasts.
Generally runs well, but idles very, very rough when warm.
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Find the most common driver-reported problems that are to blame when a Volvo S70 has a rough idle.
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Volvo S70 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