Hanover Park Auto Repair

When your car is idling, the engine should hold a steady RPM. If the needle starts bouncing or the engine begins to sputter, it usually means something isn’t working as it should. Fluctuating RPMs at idle often point to problems with how the engine manages air, fuel, or ignition. While it may not seem urgent at first, inconsistent idle can signal a developing issue that could affect performance, fuel efficiency, or drivability if ignored. What a Normal Idle Should Look Like Your car’s engine is designed to idle at a stable speed—typically around 600 to 900 revolutions per minute (RPM) depending on the vehicle. At idle, your engine is still running, but it's not under any significant load. A properly functioning engine will maintain a steady rhythm without excessive vibration or noise. When the RPM needle starts jumping or dipping unexpectedly, especially while the car is in gear but stationary, something is throwing off that steady rhythm ... read more