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Fluctuating RPMs... Serious problem? 700

I've had the same problem recently and just when I bought a can of carb cleaner (to clean the ICV) the problem went away.

One thing I did was put some CD2 into my fuel system. This does alot of work for the upper end of an engine.

Don't know per say that it helped but I am now okay.

I run my car hard which I believe Volvo's have always seemed to want.

Use Mobile 1, new oil filters regularly, and periodically run a tank full of premium through the car.

Good luck

rhodee

--
1988 765TFM46 project car






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