2009 Lincoln MKX Support Question
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Question posted by shoebox0198 on April 20th, 2024
Gas Cap Light On, Changed Gas Vap. Check Engine Light Also On
Current Answers
Answer #1: Posted by Technoprince123 on April 20th, 2024 6:11 PM
Please response if this answer is acceptable and solw your problem thanks
Answer #2: Posted by SonuKumar on April 23rd, 2024 9:24 AM
Incomplete Reset: Even though you replaced the gas cap, the check engine light might not reset itself immediately. Sometimes, driving for a few cycles (filling up the tank and using a significant amount of gas) is enough for the computer to recognize everything is sealed and turn off the light. Try driving the car for a few days and see if the light goes out on its own.
EVAP System Issue: The Evaporative Emission Control System (EVAP) includes the gas cap, but also other components like the charcoal canister and purge valve. A fault in one of these parts could still be causing a leak, triggering the light.
Here's what you can try:
Check Gas Cap Seal: Make sure the gas cap is clicked shut properly and not loose or damaged. A snug fit is crucial.
Consult Manual: Your owner's manual might have a troubleshooting section for the gas cap light and check engine light. It might suggest additional checks or a reset procedure specific to your MKX.
If the light remains on after a few days and you're not comfortable troubleshooting further, it's best to take your Lincoln MKX to a mechanic or qualified repair shop. They can diagnose the problem using a scan tool to identify any trouble codes stored by the car's computer. This will pinpoint the exact cause of the warning lights and recommend the necessary repairs.
Please respond to my effort to provide you with the best possible solution by using the "Acceptable Solution" and/or the "Helpful" buttons when the answer has proven to be helpful.
Regards,
Sonu
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