Q
can old gas cause check engine light
I'm a seasoned industrial engineer with a keen interest in machine learning. Here to share insights on latest industry trends.
Yes, old gas can cause the check engine light to come on. Over time, gasoline loses its volatility and can form gum and varnish deposits that clog fuel injectors and diminish engine performance. This can lead to incomplete combustion, which might trigger the check engine light as the vehicle's onboard diagnostics detect irregularities in the engine operation, such as misfires or emissions exceeding regulatory thresholds. To prevent this, it's recommended to not let fuel sit in a car's tank for too long, ideally using it within 3-6 months. Adding a fuel stabilizer can extend this period, especially for vehicles that are not used frequently. Always address the check engine light promptly with a diagnostic to prevent potential further damage to the vehicle.
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