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Q can battery cause check engine light
LorraineClare
VivienCoffey Release Time: July 3, 2024, 4:33 AM
Yes, a failing or weak battery can indeed cause the check engine light to illuminate. Modern vehicles rely heavily on their electrical systems for various sensors and electronic control units (ECU) to function properly. A battery that is not providing the required voltage can lead to irregular signals from sensors or even cause the ECU to generate fault codes. This miscommunication often triggers the check engine light as the system attempts to alert the driver to potential issues. It’s worth noting that while the battery might be a less common culprit for a lit check engine light compared to issues like oxygen sensor failures or loose gas caps, it’s a possibility that should not be overlooked. If your check engine light comes on, it’s advisable to check the battery’s health alongside other diagnostic checks.
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