Troubleshooting Car Engine Stalling Issues In this comprehensive guide, we, as experts in automotive care, will delve into the various reasons behind car engine Car Battery stalling when stopped or slowing down and provide you with effective solutions to overcome this frustrating issue. If you're tired of experiencing these unexpected shutdowns, follow our guidance to regain control over your vehicle's performance. Understanding the Culprits 1. Faulty Battery A weak or failing battery is a common cause of engine stalling at low speeds. The battery plays a crucial role in providing power to essential systems, and when it struggles to maintain a consistent voltage, your engine may falter. To diagnose this issue, you can perform a simple voltage test using a multimeter. If the battery voltage is below 12.6 volts, it may be time for a replacement.