Volvo 960 Rough Idle

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

What are common reasons my Volvo 960 has a rough idle?

While there are a variety of reasons your Volvo 960 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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Idles rough and low at traffic lights to the point it almost turns off but it never has. once in a while it will spu...
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Related Volvo 960 Problems

Find the most common driver-reported problems that are to blame when a Volvo 960 has a rough idle.
The intake manifold gasket will often be a source of vacuum leaks. this will cause a rough idle and the check engine ...

Volvo 960 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