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Q can check engine light turn itself off
AbnerPullman
ClaudeCarrie Release Time: July 4, 2024, 12:01 PM
Yes, a check engine light (CEL) can indeed turn itself off. Typically, the CEL illuminates when your vehicle’s onboard computer, or Engine Control Module (ECM), detects an issue. These issues can range from minor faults, like a loose gas cap, to more serious problems requiring immediate attention. If the issue triggering the CEL is minor and resolves itself — for example, if you secure a previously loose gas cap — the ECM will perform checks over several driving cycles. If it no longer detects the initial problem, it will turn the CEL off. However, this doesn’t mean the issue is permanently solved, especially for intermittent faults. If the light turns off but then reappears, it’s a sign that the vehicle should be inspected by a professional. Regular maintenance and addressing CEL warnings promptly can prevent more significant and costly repairs down the line.
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