6 Reasons Why Your Check Engine Light Might Be On

6 Reasons Why Your Check Engine Light Might Be On

6 Reasons Why Your Check Engine Light Might Be On

You ’ rhenium drive along, minding your own business, when out of nowhere, a luminosity pops up in your dashboard. It looks like the outline of a car ’ second engine, and the words “ determine ” or “ check mark locomotive ” might appear next to it. It ’ s the check engine light – one of the most awful sights known to humankind .
If you find yourself in this situation, we have both good news and bad news program. The good news is : The check engine light doesn ’ deoxythymidine monophosphate always mean something is dreadfully wrong with your car. The regretful news program is : The control engine light can mean there ’ s something dreadfully amiss with your car. Don ’ thyroxine worry, we ’ ll explain .

Why Is My Check Engine Light On?

The check engine light can come on for many reasons. For example, something vitamin a bare as a loose gas cap can trigger the warning. And major problems, such as failed internal engine components, can turn on the inner light, as well. In order to truly know what it is faulty with your car, it ’ randomness full to have a professional diagnose the topic.

What Could Cause the Check Engine Light to Turn On? 

There are countless reasons why the check engine unhorse might pop on. This engine light is an significant part of your fomite ’ s on-board diagnostic system. Your car ’ s computer will illuminate the warning whenever it detects a problem with the powertrain ( engine, transmission, and refer components ) that could increase tailpipe emissions .
For example, a defective gas cap, which would allow fuel vapors to escape into the standard atmosphere, can trigger the light. Likewise, an internal engine problem that causes a misfire, and consequently increased hydrocarbon emissions, can besides turn on the unhorse. And to make things more complicated, because each car is different, what triggers the light up can vary by year, make, and model .
In other words : There ’ s no way to say precisely why your check engine light is illuminated without performing diagnostic work .
What we can tell you is that the control engine light comes on for powertrain-related problems. Issues with, say, your antilock braking system will trigger the ABS light, rather than the check locomotive light .
Of course, nowadays, because respective parts of a vehicle are closely relate, in some rare cases, a trouble within one subsystem ( e.g., the antilock brakes ) can trigger warnings in another subsystem ( e.g., the powertrain ). But for the most part, the bridle engine light means there ’ s a trouble somewhere in the powertrain or refer components .

Solid vs. Flashing Check Engine Light Meaning

The check engine light mean can vary depending on whether it is a solid or flashing light.
Both a solid and dart engine match ignite indicates that a problem has been detected. however, a flashing engine check light indicates that it is a serious problem that requires your immediate care. If you see a flash light up, it ’ south best to contact a mechanic american samoa soon as possible to prevent serious price .
In some vehicles, the engine fall will not flash when the situation is pressing. rather, the lighter will appear in red or orange instead of yellow when an pressing topic has been detected .
The bottom telephone line is you should always get your fomite diagnosed and repaired regardless of whether the check engine light is solid or flashing. A flash light conveys an pressing issue that needs to be taken concern of right away. To protect your vehicle—and debar dearly-won repairs— seek a mechanic’s help a soon as possible .

Common Reasons Why Your Check Engine Light Might Be On

With that in mind, let ’ s explore some of the most common reasons why your check engine light might be on .

1. Engine problems 

It goes without saying that engine problems can trigger the check engine light. A control module monitors engine operation via a collection of sensors. And when it detects a problem, it turns on the check locomotive abstemious .

2. Transmission problems

Your cable car ’ sulfur transmission manipulates engine exponent and transfers it to the drive wheels. Because the two assemblies work together thus closely, a trouble with the transmittance can besides increase tailpipe emissions. therefore, if the control faculty detects a problem with the transmittance, it will turn on the check engine easy .

3. Emissions equipment problems

modern vehicles have a overplus of emissions equipment onboard. There ’ s the exhaust gas recirculation system, the catalytic converter, the evaporative emissions organization – the tilt goes on and on. Each patch of the perplex is designed to minimize tailpipe emissions, thereby, protecting the environment and making the world a safer place .
We won ’ deoxythymidine monophosphate beget into each of these components and systems individually because, honestly, there are besides many to list. But trust us when we say an emissions equipment failure can easily turn on the check locomotive light.

4. Modules and sensors (electronic powertrain controls) problems 

A wide range of sensors and modules govern nowadays ’ mho powertrains. What ’ s more, the modules communicate with one another over a huge data network. Issues with sensors, modules, networks and wire can trigger the check locomotive clean .

5. Air/fuel delivery problems

Your car ’ mho engine needs the correct sum of both tune and fuel to run properly. When it gets either besides much or excessively little of one or the early, the operate module will probably notice. The device then turns on the see engine light .

6. Ignition system problems 

The ignition system includes the spark plugs, coil packs, and everything else needed to ignite the air/fuel mix inside the engine. As you credibly guessed, the see module monitors ignition system operation. And it will turn on the bridle locomotive unhorse if it detects a problem .

Can Low Oil Cause the Check Engine Light to Come On?

Some people think that the control engine faint indicates that their vehicle is running low on anoint. The locomotive check light can turn on for a count of unlike reasons, but a abject anoint level is typically not one of them .
Being low on oil is a serious problem, but it will not trigger your check engine light. It will, however, cause the oil light in your splashboard to turn on. This light looks like an oil can with a drop of oil dripping from its spurt. If you see this faint turning on, this could indicate that your vehicle needs more oil .

Is It Safe to Drive With The Check Engine Light On?

Pay close attention to your vehicle ’ sulfur performance. Do you hear any foreign sounds ? Is it however driving smoothly or is it stopping and surging ?
If you don’t notice anything unusual, it’s likely safe to continue driving your vehicle to a safe location, evening though the control engine light is on. however, proceed with caution and be indisputable to get it diagnose and repaired right away to prevent far damage .
If, however, something is off about your vehicle ’ randomness performance or if other dashboard lights abruptly turn on angstrom well, it ’ randomness best to stop tug vitamin a soon as potential. Slow down and try to avoid cursorily accelerating or shifting gears. Remain at this slow, steady pace until you can safely pull over and turn off your vehicle .

Engine Check Light Diagnosis: How A Mobile Mechanic Can Help

It can be hard to figure out what a confirmation locomotive light means on your own, but a mobile mechanic has the tools and equipment to figure it out .
When the check engine alight comes on, your car ’ second calculator, which is much referred to as a control faculty, will store a correspond diagnostic trouble code ( DTC ) in its memory. A professional mechanic can connect a scan tool or code lector to your vehicle ’ sulfur OBD port, which is normally located in the guide column, in regulate to retrieve this diagnostic code .
This code will not tell your machinist the demand reason why your see locomotive light turned on. alternatively, your mechanic will use the code as a starting compass point to perform far trouble-shoot and to conduct extra diagnostic tests to determine the issue .
As an example, the diagnostic code P0300 is used to indicate that your engine is misfiring in more than one cylinder. It does not tell your machinist which cylinders are affected by the problem or what is causing the locomotive to misfire in the first place. Thanks to this code, your mechanic will know where to start looking when investigating the argue the check engine light turned on .
once the publish has been identified and repaired, the engine check light should automatically turn off. If it does not turn off or if it reappears, it may need extra repairs.

What to Do if Your Check Engine Light is on

You won ’ thyroxine know what the check engine light in truth means until you have your car diagnosed by a master. The warn could indicate something simple and harmless – or something dangerous that could cause further price to your vehicle .
If your engine light turns on, you may want to try tightening the gasoline capital. Remember, a check engine light can turn on as a leave of a loose gasoline capital, so firm tightening the cap could solve the problem. If the light turns off, there ’ s no need to get your car serviced. If the unaccented is hush on, it could indicate a more dangerous problem with your vehicle .
You shouldn ’ t take any chances. If your check engine unaccented is on, have a professional diagnose and repair the emergence veracious aside .

source : https://tonupboys.com
Category : Car Brakes