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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Related Volvo 960 Questions

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My volvo 960 idles low and rough. the diognostic code is po172. (fuel too rich) it's either too much fuel or too muc...
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...

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 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