Check engine light


Mutual Causes for Ford Check Engine Light

Has the check engine light turned on in your Ford F-150, Explorer, Escape, Focus, Mustang, or Fusion? It tin can exist alarming seeing an engine warning appear on your dashboard, specially if you've never seen it before. A wide array of bug tin can cause a check engine light to come up on, some more than serious than others. Fortunately AutoNation Ford Memphis is here to help you effigy out what might exist wrong, and what your next steps should exist. Below nosotros have highlighted the most common causes of a check engine light.


  • Loose Gas Cap: Your gas cap is loose, broken, or simply missing. Gas cap issues tin reduce fuel force per unit area and allow fuel vapors to escape, reducing fuel economy and increasing harmful emissions.
  • Declining Catalytic Converter: Your catalytic converter tin can eventually clog with material, especially with higher mileage vehicles. The catalytic converter is a vital part of the emissions organization, removing toxic carbon monoxide. A failing or clogged catalytic converter can severely impact fuel economy and vehicle functioning.
  • Fouled Spark Plugs or Spark Plug Wires: Over time you will eventually demand new spark plugs or spark plug wires. Your spark plugs create a hot spark that ignites the air-and-fuel mixture in the cylinder, allowing your engine to start and run. Faulty spark plugs or spark plug wires can cause your engine to misfire, reducing fuel economy, performance, and even forestall it from running altogether.
  • Faulty Oxygen Sensor: Due to long exposure to hot frazzle gas, your oxygen sensor might demand replacing. The oxygen sensor provides vital air-fuel mixture information to the ECU. A faulty oxygen sensor tin can cause your vehicle's computer to supply the engine with as well much or besides little fuel. An engine with too little fuel is at take chances of full engine failure, and an engine with too much fuel will create excessive smoke and olfactory property.
  • Faulty Mass Air Flow Sensor: When exposed to muddied or particle-rich air, the Mass Air Flow (MAF) sensor could fail. Like the oxygen sensors, the MAF sensor measures the amount of air entering the engine and help ensure the proper air-fuel mixture. A faulty MAF sensor can cause your engine to misfire, ultimately causing poor fuel economy, functioning, and potentially more unnecessary damage to your engine.

What to Exercise if Your Ford Bank check Engine Light Comes On

No matter the situation, when the check engine low-cal comes on in your Ford, we always advise stopping by our service center so one of our knowledgeable technicians can properly diagnose and repair your vehicle. Our service technicians accept the nigh upwardly-to-date diagnostic equipment that can quickly read Ford OBD codes.

The fashion your check engine lite is behaving though can help you determine what might be wrong with your Ford, and the severity of the event. To assist yous improve understand what you should practice next, we've outlined possible scenarios:


  • The check engine light just comes on in certain weather: If the cheque engine light is coming on intermittently, exist sure to notice any changes in the performance of your vehicle when the light is on. If you practice notice a divergence, try driving your vehicle as picayune every bit possible until y'all tin can bring it in for service. Almost likely something is on the verge of failing and you run this risk of your vehicle not starting again.
  • The bank check engine light is constantly on: Your vehicle's onboard diagnostic system has determined something is wrong and needs to exist stock-still. Although your vehicle may seem to be operating fine, it'due south best to bring it in for service equally soon as possible to prevent additional issues.
  • The check engine lite is on and there is a noticeable functioning consequence: If you are noticing a consistent decrease in functioning with the check engine light on, your vehicle may have automatically entered a "limp-fashion" to forbid boosted damage. In this case, y'all should come straight to our service center or have the vehicle towed to prevent any damage to the engine..
  • The check engine light is blinking while driving: Not to be confused with the low-cal occasionally flickering in the first situation, if your check engine light is blinking consistently that typically indicates there is a major event with your vehicle and yous should pull over when condom. If you are not close to our service center, nosotros suggest having your vehicle towed here merely to be safe.

If y'all any additional questions regarding cheque engine lights, please give us a call at (901) 209-1259 to speak with i of our teammates, or only schedule an appointment with our online form.


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