Car smells like rotten eggs battery. .

Car smells like rotten eggs battery. A failing battery contains sulfuric acid which, when overheated, produces hydrogen sulfide gas with its characteristic foul odor. Why does my car battery smell like rotten eggs Marine batteries, lawn mower batteries, golf batteries, forklift batteries, car batteries, and other lead-acid batteries are all capable of smelling like a forgotten rotten egg smell in the car. Imagine turning the ignition and catching a whiff of sulfur, like spoiled food. . Jul 9, 2025 · Yes, a car battery can emit a foul rotten egg smell—and it’s a serious warning sign you shouldn’t ignore. The odor is a sign of potentially dangerous conditions that can harm you. Is the Bad Egg Smell from a Battery Dangerous? Beyond the unpleasant smell, overcharging and the release of hydrogen sulfide gas can be dangerous: Feb 3, 2025 · A rotten egg smell coming from your car battery is a serious warning sign that shouldn’t be ignored. The battery rotten egg smell in a car, usually attributed to the emission of hydrogen sulfide gas, is an early warning sign of a potential problem with the battery or the vehicle’s charging system. Aug 7, 2024 · If your car battery smells like rotten eggs, it's important to take it seriously. This pungent odor is caused by hydrogen sulfide gas, which is released when the battery is overcharged, undercharged, corroded, or damaged. Apr 29, 2024 · Understanding why your car smells like rotten eggs is crucial for both your safety and vehicle maintenance. bazff pagli ulw gci jkbx jojtl xlc syp ryo uotrk