If the check engine light (CEL) illuminates on your vehicle's dashboard, it indicates that there is a problem with the vehicle's emissions control system or engine. Here are some steps you can take if the CEL is on:
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Check to see if there are any other issues with the vehicle. If the vehicle is experiencing other problems, such as stalling, poor performance, or strange noises, it may be necessary to address these issues first.
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Check the fuel cap to make sure it is properly tightened. A loose or damaged fuel cap can cause the CEL to come on.
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Check the engine oil level and add oil as needed. Low engine oil can cause the CEL to come on.
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If the CEL is still on after these checks, it may be necessary to have the vehicle's onboard diagnostic system (OBD) scanned to identify the problem. Many auto parts stores offer this service for free.
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Once the issue has been identified, it will be necessary to repair the problem in order to turn off the CEL. This may involve replacing a faulty component or making other repairs.
Note: If the CEL remains on after taking these steps, it is recommended to seek the assistance of a professional mechanic to diagnose and fix the problem. Continuing to drive a vehicle with the CEL on
