My car’s RPM gauge has started bouncing up and down while I’m driving. I haven’t really noticed anything else different about the way my car drives, though. Why is my car’s RPM gauge bouncing?
Reviewed by Shannon Martin, Licensed Insurance Agent.
Good to hear that you haven’t noticed any other issues with your car at the moment.
There are a number of different issues that could be causing your RPM gauge to bounce or fluctuate while you’re driving. Some of those include faulty spark plugs, a bad crankshaft sensor, or a bad idle air control valve.
Dirty fuel injectors, ignition coil problems, and timing belt issues can also be connected to a fluctuating RPM gauge.
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