Basically, it is an emissions monitoring system. A Check Engine indicator will stay solid or blink.
If the indicator is blinking, the situation is usually serious , such as a severe misfiring of the engine. This would allow unburned fuel to dump into the exhaust system, pushing the temperature of your catalytic converter to the breaking point. Slow the car down, find a safe place to stop, and request a mechanic to perform a diagnosis. A steady light on the other hand is not an emergency situation. You can continue driving, but you should schedule an appointment with a mechanic as soon as possible.
While a Check Engine Light can come on for a number of reasons, in most cases it is due to one of the following issues:. When that annoying yellow light pops on, the first thing you should do is pull over and inspect your gas cap. If it is loose, a quick tighten could very well solve your problem.
If it is damaged, head to your local auto parts store for a new one. Once you have fixed the issue, continue driving to see if the check engine light turns off. If the light stays on, schedule an appointment with a mechanic. If you put off getting an oxygen sensor replaced, it will eventually damage your catalytic converter, which can be very costly to replace.
Your best bet is to call a mechanic and get a proper diagnosis. In most cases, a catalytic converter will not fail if you properly maintain your car. A failing converter can be the result of a faulty oxygen sensor that has not been replaced or any other engine efficacy issue. A broken catalytic converter will eventually bring your car to a complete stop.
Before that, your gas mileage will be horrid, the car will not run smoothly, and the car will not pass an emissions test. A damaged converter should be replaced immediately. An air filter that has never been replaced or improperly installed can sometimes be the culprit when it comes to a faulty mass airflow sensor. Have your air filter checked and replaced on a yearly basis. Your gas mileage will drop and the car will start stalling frequently. It is best to call a mechanic and have the sensor diagnosed and replaced if necessary.
While newer cars can go , miles on a set of plugs, older vehicles, especially those built before , require new plugs roughly every 30, miles.
There is no way to prevent plugs from failing, it just happens over time. If spark plugs are your issue, get them replaced immediately. A mechanic can make quick work of the job and new plugs in most cases are very affordable. A top-rated mobile mechanic will come to your home or office to identify the source and cause of the illuminated Check Engine Light, and then check other system components as specific symptoms and issues are identified.
After the inspection, the mechanic will provide a detailed report that describes the diagnosis, along with the scope and cost of the necessary repairs. Your car may have one or more problems and hence there can be multiple codes. The mechanic will read the codes using a scanner, interpret the codes, and provide a diagnosis. A code scanner is cheap.
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Use it to find out exactly why your vehicles computer decided to flash this light. The ignition system is the most common reason that the check engine light will flash.
The ignition system consists of spark plugs, plug wires, and the ignition coil packs older vehicles have a distributer that has the same function as coil packs. These parts work in concert to ignite the fuel in the combustion chamber at just the right time.
Lincoln Town Car: Flashing Check Engine Light Diagnosis
It can run too lean or rich. If there is anything that you would like to add, please feel free to leave a comment below. Next, read our article Automotive Circuit Testing , and if there is an article related to the system you are testing, such as Oxygen Sensors or EGR concerns, read these as well. They will provide valuable info!
- Lincoln Town Car: Flashing Check Engine Light Diagnosis | Drivetrain Resource.
- It could be a blown fuse or dust in the port.
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- Your Answer:.
If there is a link to a specific diagnosis strategy for the code then follow that and start testing. If there is no procedure for your manufacturer specific code, then I suggest referring to a similar generic OBD II code these are listed numerically by system type to get a good idea of what to look for. If at this point you still need assistance use the "Get Help" link and let us know how we can help. We do ask that you please read the info available on the site first so that we can help reduce repeat questions.
Why You Can't Read Your OBD-II Codes
So please read our Disclaimer and when you're ready jump in! Check out the bottom of the page for the best source of parts for your Lincoln. We recommend only the best! Also we value your feedback and like to hear stories of unusual fixes or concerns you may have run into with your Check Engine Light, so feel free to share your experiences by using the "Contact Us" link.