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Why is my car’s RPM gauge bouncing?
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?
Sarah Gray · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
Your car’s RPM gauge could be bouncing due to:
- Faulty spark plugs
- A bad crankshaft position sensor
- A bad idle air control valve
- Dirty fuel injectors
- Ignition coil problems
- Timing belt issues
- Low transmission fluid
A mechanic can help you diagnose the root cause of the issue and perform the necessary
car repair
to avoid further damage to your car’s components.MORE: How to decide if you should take your car to a repair shop or mobile mechanic
View full answer
- Gregory R.
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