Why Does a Car’s RPM Go Up and Down While Parked? (Guide 2024)
As you sit in your parked car, idling peacefully, you may notice an intriguing phenomenon: the engine’s RPM (Revolutions Per Minute) fluctuating sporadically. It’s a puzzling sight, especially since the car is stationary and not being driven. What could possibly be causing these fluctuations in the engine speed? The RPM is a vital indicator of…