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Why do I need to check my check engine light?

Why do I need to check my check engine light?

After all, the check engine light will sometimes mean there is an emissions problem with your car. The emissions are checked during an MOT so if there is an issue your car will fail its MOT. It’s therefore important to get a check of the engine light and get it fixed so that your car can coast through the MOT without any issues.

What do the three numbers on a check engine light mean?

The third number in the sequence refers to the system that is affected: A “1” indicates a fuel or air metering system problem, such as an issue with the mass air flow sensor. A “2” refers to fuel or air metering injection system issues, such as a fuel injector problem. A “3” indicates an ignition-related problem, such as an engine misfire.

Where can I get a free Check Engine Light scan?

Google ‘free check engine light scan’ + ‘ your town’ to find a shop that will scan your car for free. Some dealers and repair shops offer a free Check Engine light scan as a seasonal promotional. The Volvo Service for Life program, for example, includes up to one hour of computer diagnostics. Another option is to ask your friends and relatives.

How to read Check Engine light ( OBD-II ) codes?

The scan tool will power up as soon as it has been plugged in. Step 3: Read the codes in the computer. Each scan tool will have different instructions on how to operate it, so read yours carefully. Navigate to a heading called “Read Codes” and select it. Step 4: Record the codes that display.

What to do about check engine light?

If the check engine light comes on, here are some tips on what you should do: Look for a serious problem that requires immediate attention. Check your dashboard gauges and lights for indications of low oil pressure or overheating. Try tightening your gas cap. This can often solve the problem. Reduce speed and load.

Why does the Check Engine light come on while driving?

A loose fuel cap is one of the most common reasons why the check engine light turns on. The cap is a crucial part of a car’s fuel delivery system. It notably prevents gasoline fumes from leaving the fuel tank, and it helps keep the whole system under the correct pressure.

What does the malfunction engine light mean?

A malfunction indicator lamp ( MIL ), or check engine light, is a tell-tale that a computerized engine-management system uses to indicate a malfunction. Found on the instrument panel of most automobiles, it usually bears the legend check engine, service engine soon, maintenance required,…

What does it mean if the Check Engine Light is flashing?

A flashing check engine light means that the problem occurs at the moment and it’s most likely a more serious problem like a misfire. It’s not recommended to drive with the check engine light flashing or ON. The problem is most likely a misfire, combustion or a faulty engine sensor problem.

What does a service light on your car mean?

A service light means that you need an oil change or other similar maintenance, bear in mind that if the light is ignored it can easily lead to a check engine light, as your engine will grind to a halt without oil.

How long does it take for check engine light to go off?

If you are sure you have fixed the problem, it takes around 10-30 successful cycles before the check engine light disappears. One process is one cold-start until the engine is warm. Will the check engine light go off by itself? Yes, The check engine light will reset itself after a fixed amount of time if you fixed the problem in most car models.

What does the orange light on the Check Engine mean?

That strange orange light is the Check Engine Light (CEL), or it can also be known as the Malfunction Indication Light (MIL), and is based on the shape of an engine (not a helicopter!). This light appears when the engine control unit (ECU) detects that there is an issue with a component that it cannot rectify.

What to do if your check engine light is on?

If your check engine light is on or flashing, it’s time to come into your neighborhood Firestone Complete Auto Care store for a car diagnostic. Our auto service professionals will investigate the check engine code error and troubleshoot the problem.

What does it mean when service engine light comes on?

When the light comes on, a code is stored as the reason for triggering the light. When you take your car in to get it checked out, the mechanic hooks up a little diagnostic computer to your vehicle’s computer. They will then get a code and description that tells them what the issue is.

How to get rid of the ” Check Engine ” light axleaddict?

If it does not go off, then your engine has a problem. 1. Drive car and let light go off by itself. 2. Turn engine on and off three times in a row. 3. Disconnect and reconnet the battery. 4. Use an OBD code reader. 1. Drive Your Car and Let the Light Go off by Itself

Is the service engine light a Dirty Little Secret?

Money Saving Products I Use Search The Service Engine Light: Your Mechanic’s Dirty Little Secret Last updated: January 16, 2021 G.E. Miller214 Comments Troubleshoot the Check Engine Light]

Why does my check engine light turn orange?

When it runs into an issue that the ECU cannot correct, the check engine light (CEL) starts glowing. The light is typically yellow or orange, and features an image of engine with text telling the driver to check or service the engine or powertrain. The engine computer stores a diagnostic code when the light begins glowing.

Where can I get a PID code for my Check Engine light?

To get the code you just connect your OBD-II scanner to the data link connector, typically found under the driver’s side dashboard of the vehicle. Once the scanner is connected it will read a PID code that can then be used to help diagnose what your issue might be. Once you have the PID you can go online and see what the code means.

How do you check the Check Engine light?

Put your key in the ignition and switch the vehicle to “on.” Do not start the vehicle. Once the lights on the dash come on, turn off all the vehicle’s accessories, like the radio. Then, press the “read” button on the scanner to access the check engine light code.

What is check engine diagnostic?

An engine diagnostic is a test which is performed to learn more about why an engine is not functioning properly.

What is a diagnostic tool?

Diagnostic tools means different things to different people, and some would consider the debugger itself to be a diagnostic tool. In this context, when we say Diagnostic Tools, we mean tools that allow you to see historical information (data collected over time), as opposed to just a single moment in time…

Why does my engine light not come on?

The light should come on when you turn the key to “ON,” and it should go out after the engine starts. If it NEVER comes on I’d suspect the bulb. Most CELs ground through the ECM so if the first suspect bulb is good then there could be an ECM fault. Hopefully it’s the bulb.

Why does my Check Engine Light never come on?

If the “Check engine” light does not come with the ignition ON, it’s possible that there is no power coming to the engine computer (e.g. due to a broken wire, faulty main relay, blown fuse, etc.) or that there is a problem with the engine computer itself.

What if the Check Engine light doesnt turn on?

Disconnecting car battery cables In this step, you should use a wrench to remove positive and negative cables. Apply The Battery Disconnecting Technique (Source: Wikihow) Draining remaining electricity Next thing you should do is to press and hold the car horn for about 30 seconds. Waiting and reconnecting the battery

What could be causing your check engine light?

What to do if your “check engine” light turn on?

  • then slowly pull the car off the road
  • turn the engine off and consult the owner’s manual for your vehicle.
  • Think About the Last Time You Got Gas.

    Why does my check engine light come on after filling the gas tank?

    Typically if a check engine light comes on after filling the fuel tank, it’s due to a vapor pressure problem. This often is triggered by one of the EVAP system components. This system is designed to filter harmful vapors from the fuel tank.

    How to reset the Check Engine light on your car?

    How to Reset the Check Engine Light. 1 Drive Till it Turns Off. This is the easiest way. Your vehicle’s sensors will generally recheck the problem that led to the CEL. If you’ve fixed the 2 Turn the Car Off and On 3 Times. 3 Disconnect and Reconnect the Battery. 4 Use an OBD Reader.

    Typically if a check engine light comes on after filling the fuel tank, it’s due to a vapor pressure problem. This often is triggered by one of the EVAP system components. This system is designed to filter harmful vapors from the fuel tank.

    Why does the engine service light come on?

    2 warning lights came on, one says Auto Start/Stop not operative, and the other is the Engine Service light. I am happy to hear the auto Start/Stop does not operate, but now I also found out the DNA modes are also not operable. Will need to go visit the dealer and see.

    Is it safe to drive with check engine light on?

    Sometimes, multiple sensors send signals, indicating clues that something bigger has gone awry. You can still drive with the light illuminated, assuming the car is running and driving fine, but you should get it checked out as soon as possible.

    Is it illegal to reset a check engine light?

    Reputable auto shops will not reset a check engine light if the problem is not fixed. To do so would be illegal. This would only be acceptable if it is cleared to complete a diagnostic process to identify a problem. Check engine light being on is a sign that there is a problem with the car.

    What can cause a check engine light to come on?

    A loose gas cap can cause the check engine light to come on. A problem with a spark plug can cause the check engine light to come on.

    What should I do if my check engine light appears?

    If the check engine light comes on, here are some tips on what you should do: Look for a serious problem that requires immediate attention. Check your dashboard gauges and lights for indications of low oil pressure or overheating. Try tightening your gas cap. This can often solve the problem. Reduce speed and load. Use built-in diagnostic services, if available.

    Why does a check engine light come on?

    When a car’s mass airflow sensor is due for replacement, it causes the check engine light to come on. The mass airflow sensor is a device in a car that measures the amount of air entering the engine. It does this to determine how much fuel is needed to run your engine efficiently.

    What does a malfunction indicator light on a car mean?

    In many cases, it means that you’ll be visiting the car dealer to repair the issue and get the light turned off. The check engine light — more formally known as the malfunction indicator lamp — is a signal from the car’s engine computer that something is wrong.

    What causes an engine warning light to come on?

    Engine warning light MoT issues can stem from faults in the emissions control system, so it’s worth seeking assistance sooner rather than later. Will my car get through its MoT with the engine management light on?

    What are common triggers of a check engine light?

    • A failed spark plug or ignition coil
    • A mass airflow sensor needs to be replaced.
    • A loose gas cap or gas cap needs to be replaced.
    • Damaged catalytic converter.
    • Intake vacuum leak
    • Leak in the EVAP system due to a cracked hose
    • Faulty oxygen sensor

      What are causes for check engine light to come on?

      Common Causes of a Check Engine Light Loose gas cap Cracked or otherwise faulty gas cap Worn spark plug or wire Faulty oxygen sensor Catalytic converter trouble Faulty mass airflow sensor

      What does “check engine” light usually mean?

      The check engine light is a signal that the onboard diagnostics system (or OBD II) has detected a malfunction in the vehicle’s emissions, ignition, fuel or exhaust systems.

      How to clear check engine light and pass emissions test?

      If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. I post about consulting, personal finance, and Texas life.

      If it does not go off, then your engine has a problem. 1. Drive car and let light go off by itself. 2. Turn engine on and off three times in a row. 3. Disconnect and reconnet the battery. 4. Use an OBD code reader. 1. Drive Your Car and Let the Light Go off by Itself

      How to know if the Check Engine Light is an emission?

      Unfortunately it often takes several trips out with the car before the light shuts itself off so it might take awhile before you know if the problem has been solved. Check the dipstick in the oil compartment of your engine to make sure it is inserted properly in the tube. If the dipstick is not in tight it may cause the car to idle funny.

      Is it possible to reset the Check Engine light?

      While resetting the light is possible, it can’t help you pass. As mentioned above, technicians plug in a device to read your car’s onboard computers. It detects an issue regardless of whether the light is on. Additionally, turning off the light doesn’t help you in the long run.

      What happens if your car fails an emissions test?

      It can destroy your engine, either totaling your car or forcing you to spend thousands more. Most cars fail the emissions test due to a small problem. Those small issues lead to bigger conundrums over time. Don’t let that happen, and fix your vehicle sooner rather than later.

      Is there an app that can diagnose check engine light?

      There are several ways to diagnose your check engine light, but we’re going to use an app called Dash. This app lets you store important information about your car, track your driving and, as a bonus, diagnose check engine lights.

      Can a code reader fix a check engine light?

      Most code readers will allow you to turn off or reset the check engine light. But this action alone does not actually repair the underlying problem. In many cases, the light will simply come back on later.

      Where is the connector for the Check Engine light?

      The connector is usually located under the steering column and is relatively easy to access. Before 1996, carmakers had their own engine diagnostic systems, primarily to ensure their cars were compliant with EPA pollution control requirements. Check engine lights come in orange, yellow or amber,…

      Does AutoZone do Check Engine light?

      AutoZone’s free check engine light service can help you identify problems by pulling up your engine’s error code and suggesting quality parts to repair that issue.

      What causes a blinking or flashing check engine light?

      A blinking or flashing check engine light is always caused by misfires. However, it is not as simple as that because many different things can cause misfires. Here is a list of things that can cause a misfire, which may result in a blinking check engine light: Misfires on one or several cylinders (most common) Faulty spark plugs/Coils

      Can a loose gas cap cause check engine light to come on?

      Some vehicle models – including the Honda CR-V – have a separate fuel cap warning indicator on the dash. Either way, if the issue is a loose gas cap, even after fixing it, you may need to drive for about 50 to 100 miles (80 to 160 km) before the check engine light resets.

      Can a dying battery cause a check engine light to come on?

      A dying, fading car battery means low voltage. As a result, your car’s computer, which is responsible for reporting error codes, is also receiving low voltage. An error code will be generated which will in turn trigger the Check Engine Light or even the Battery Charge Warning Light to display.

      What causes the Check Engine light to come on?

      When your engine light comes on because of a weakness or failure in this system, you most likely won’t notice the car driving any differently. Everything will seem fine, except for the glowing check engine light on the dashboard. Missing or loose fuel cap. Incorrect fuel cap used. Evaporative (evap) emission canister or fuel tank leaks.

      Is it okay to drive with a flashing check engine light?

      It’s never recommended to drive with a flashing check engine light. A constant check engine light can be okay to drive with sometimes, but a flashing engine light is most likely a more serious problem that has to be fixed as soon as possible.

      Can a low coolant light cause a check engine error?

      The PCM and Low Coolant Low coolant in the radiator of your car can trigger the malfunction illumination light (MIL), also known as the “check engine” light. Low coolant can affect the internal temperature of the engine, which is protected by the antifreeze.

      Is there a service required check engine light?

      Mechanics will have a plug-in diagnostic tool that will display the issue to them. Some rare cars may require a dealer to read off certain fault codes, they will have specialist equipment for those vehicles. Remember, a “service required’ light is not to be confused with a “check engine” light, however, these are related.

      Why no check engine light?

      The MIL or check engine light illuminates ONLY when there is an emissions failure. It is possible to have a code stored without a check engine light, but it is not possible to have a check engine light without a code. Emmission failures are any failure that increases the car’s emissions beyond the EPA’s allowable specs.

      What does the Check Engine light actually mean?

      The check engine light is a signal that the onboard diagnostics system (or OBD II) has detected a malfunction in the vehicle’s emissions, ignition, fuel or exhaust systems. It could be caused by something as simple as a loose gas cap or a faulty oxygen sensor or spark plug or something as severe as…

      Why check engine light is still on?

      • One Sensor has a Loose Electrical Connection or is Damaged.
      • trucks and SUV’s are very carefully monitored for fuel economy and emissions.
      • Damaged O2 sensor.
      • Catalytic Converter is Clogged.
      • Air Filter or Fuel Filter is Dirty.
      • Mass Air Flow Sensor is Damaged.
      • Engine has Oil Lubrication Issues.

        What to do if your check engine light comes on?

        Will car pass emissions with check engine light on?

        Do not bring your car in for a state emissions test if the “check engine” light is on. In most states a “check engine” light indicator will cause your car to fail inspection even if the problem has nothing to do with emissions.

        What problems can the Check Engine light possibly indicate?

        Common causes of a flashing or blinking check engine light Misfires on one or several cylinders (most common) Faulty spark plugs/Coils Faulty engine sensors (coolant, air temperature, exhaust temperature sensor etc) Faulty EGR valve Faulty/ bad injectors Faulty crankshaft/camshaft sensor Exhaust emission problems Boost/overcharging problems Internal engine problem (rare) EVAP trouble codes

        What are the most common check engine light issues?

        • Loose Gas Cap. One of the most common triggers of the check engine light on Ford vehicle is a loose gas cap.
        • triggering Ford check engine light to come on.
        • Oxygen Sensor.
        • VCTR Solenoid.
        • Ignition Coils.

          How old is the Check Engine light bulb?

          I have seen quite a few times the inability to communicate with the ECM through a scanner, but no “check engine” with the key in the “ON” position, not so familiar to me. Sure the bulb is 14 years old but how many hours has it burned for, probably not many, pretty odd.

          How can I get my Check Engine light to go off?

          One of the possible ways of getting your check engine light to go off is pulling off the engine control unit’s fuse and then putting it back again. Although this won’t solve the problem in newer cars, it may solve the problem in a little bit older cars, and it is easy to try. Check your repair manual to find the fuse to the engine control unit.

          Why is my Check Engine light still on after filling up?

          The cap is a crucial part of a car’s fuel delivery system. It notably prevents gasoline fumes from leaving the fuel tank, and it helps keep the whole system under the correct pressure. If your check engine light turns on immediately after a fill-up, pull over and make sure the cap isn’t loose — or still on your car’s roof.

          Is it safe to drive with the Check Engine light on?

          It could also mean your catalytic converter has given up the ghost. The check engine light means there’s a problem somewhere in your emissions system. Regardless, you’re safe to drive for now as long as the car isn’t performing strangely. Just have the check engine light checked and the problem repaired.

          How to diagnose service engine light for free?

          Check engine light on? Here is how to use an OBD-II scanner for free to diagnose the service engine light & save money vs a mechanic fee. Menu Home About About Contact Categories Investing Banks CDs Dividends ETFs Finance Guru Commentary Index Funds Inflation Market Terminology Mutual Funds Stocks Wall Street News Lifestyle Finance Biking Donating

          How to read and understand check engine light ( OBD )?

          You will need an OBD scan tool. The scanner allows you to communicate with the computer and retrieve the trouble codes. Certain scanners may give information on what the revealed code means, but most will just give a five digit number and letter combination. Follow these 4 steps to insert and read the OBD scanner:

          What should you do when your check engine light comes on?

          When your Check Engine Light comes on, you should get it checked out quickly by a certified mechanic. If the engine light comes on due to a serious concern, you risk damaging your car further by not repairing the issue right away. Warning: If the Check Engine Light comes on and flashes, it indicates a very serious concern.

          Most code readers will allow you to turn off or reset the check engine light. But this action alone does not actually repair the underlying problem. In many cases, the light will simply come back on later.

          There are several ways to diagnose your check engine light, but we’re going to use an app called Dash. This app lets you store important information about your car, track your driving and, as a bonus, diagnose check engine lights.

          In many cases, it means that you’ll be visiting the car dealer to repair the issue and get the light turned off. The check engine light — more formally known as the malfunction indicator lamp — is a signal from the car’s engine computer that something is wrong.

          Why does the Check Engine light come on?

          An electronic scan tool or diagnostic computer is used to indicate the problem, which is then mechanically addressed by a certified technician. The check engine light could illuminate for a number of reasons, the 5 most common being your: 1. Oxygen sensor needs replacing. This sensor tracks the amount of unburned oxygen in your car’s fuel system.

          What’s the best way to reset a check engine light?

          In such a case, it is highly recommended to check the codes with a scanner instead. Switching the ignition on and off is also one method of hard reset without disconnecting batteries. Put the keys in your ignition and turn your ignition on and off consecutively after a second in each step.

          When to stop for check engine warning light?

          If you’re positive that it’s a check-engine warning light staring back at you from the gauge cluster, there are some key things to remember. If the light is a steady orange or yellow and there is no perceptible change in how the car is driving, you don’t need to stop the vehicle immediately.

          After all, the check engine light will sometimes mean there is an emissions problem with your car. The emissions are checked during an MOT so if there is an issue your car will fail its MOT. It’s therefore important to get a check of the engine light and get it fixed so that your car can coast through the MOT without any issues.

          A blinking or flashing check engine light is always caused by misfires. However, it is not as simple as that because many different things can cause misfires. Here is a list of things that can cause a misfire, which may result in a blinking check engine light: Misfires on one or several cylinders (most common) Faulty spark plugs/Coils

          A service light means that you need an oil change or other similar maintenance, bear in mind that if the light is ignored it can easily lead to a check engine light, as your engine will grind to a halt without oil.

          What to do if you see a warning light at AutoZone?

          If you see a warning light, come to AutoZone Fix Finder reads information from the Check Engine, ABS, and maintenance lights. The test often takes less than a minute once the reader is plugged in. Find the closest store to you.

          Why does my car make a loud noise when I start the engine?

          The engine tone will be deeper and it’s common to hear periods of engine backfiring when you have an exhaust leak somewhere in the exhaust system. What’s the cause of this sound? When your vehicle sounds as if it turned up the volume on the exhaust by a factor of three to five, it’s usually caused by a leak somewhere in the exhaust system.

          What causes the Check Engine light to light up?

          If this happens, your check engine light on the dashboard will light up. Your mechanic can then use a code reader to identify the specific problem, and then determine if that malfunction is what’s causing the rough idle. If this does not identify the issue, further investigation will be necessary.

          How can you tell if your car has a rough idle?

          Share it! It’s easy to tell when your car has a rough idle: When you start the engine, it won’t run at a steady rate. It may almost stall, or it may run at varying RPMs without your putting your foot on the gas, or it may do both. There can be a variety of reasons why your vehicle is idling roughly.

          How can I read the trouble codes on my car?

          To read the trouble codes from the engine control unit, you need an OBD2 scanner. You can either drive your car to a workshop and let a mechanic read the trouble codes from the engine control unit, or you can also do it yourself if you have a scanner.

          If you see a warning light, come to AutoZone Fix Finder reads information from the Check Engine, ABS, and maintenance lights. The test often takes less than a minute once the reader is plugged in. Find the closest store to you.

          When the light comes on, a code is stored as the reason for triggering the light. When you take your car in to get it checked out, the mechanic hooks up a little diagnostic computer to your vehicle’s computer. They will then get a code and description that tells them what the issue is.

          What happens if you ignore a check engine warning light?

          Never ignore a warning light. Doing so can lead to safety issues, a roadside breakdown or costly repairs down the line. If your Check Engine Light is on, our Professional Parts People will scan the code for you and provide a list of possible fixes.

          How do I Turn On my Check Engine light?

          Turn on your car and let your OBD-II adapter pair to your phone. Open your Dash app and tap the car icon along the bottom to open your Garage. Scroll to find the car you’re connected to right now (if you have more than one), then tap on it.

          Why is my Check Engine light on in my Bugatti Chiron?

          The monstrous Bugatti Chiron has 16. No matter how many you have though, a malfunctioning coil will almost certainly trigger the check engine light, but remember, if your car burns diesel, you have neither ignition coils nor spark plugs.

          What does it mean when your car light doesn’t work?

          It’s just a light, with no information telling you what the problem is. It’s a cry from a baby with no explanation. But you can take some steps towards figuring it out yourself, before you head to a mechanic for costly repairs. It was lightly snowing, the kind of snow that doesn’t stick but turns everything into a horrible…

          When does the Check Engine light turn on?

          The orange, engine-shaped icon on your car dashboard’s instrument cluster is programmed to turn on when the vehicle’s electronic brain detects something is wrong.

          When it runs into an issue that the ECU cannot correct, the check engine light (CEL) starts glowing. The light is typically yellow or orange, and features an image of engine with text telling the driver to check or service the engine or powertrain. The engine computer stores a diagnostic code when the light begins glowing.

          Can a check engine light get clogged up?

          The EGR valve can get clogged up or fail entirely. If you’re even slightly mechanically inclined, you can remove the valve, clean it up, and reinstall it in a relatively short amount of time. If the valve needs to be replaced, expect to pay at least $125 for a brand-new, OEM-quality unit.

          Can a diagnostic tool show you all the fault codes?

          A diagnostic tool will show you all the fault codes on your vehicle, but it does not show you exactly which parts need replacing or what repairs are needed. Fault codes will point to a problem area on a car and not an exact repair. Further investigation is needed to pinpoint the actual underlying issue.

          What does it mean when check engine light is on but no codes?

          No code being generated on the reader does not mean the driver is in the clear. In fact, when the light is on, the odds are just as high that there has actually been something wrong for a while even if no code is generated.

          Why do I get No reading on my OBD codes?

          Check your fuses to see if any have gone bad. Remember that your car or truck might have more than one fuse box. This should be covered in your owner’s manual or a proper service manual. Another reason for getting no reading is that the scan port has become clogged with dust after years of not being used.

          What does the Check Engine light on a Harley Davidson mean?

          Background lighting should illuminate, speedometer needle should sweep its full range and indicator lamps (battery, security, low fuel, check engine and cruise) should illuminate. The word “diag” should then appear.

          What should I do if my check engine light is on?

          Step 1: Clear the Check Engine Light if it is on. The Check Engine Light is almost entirely related to your emissions system. If this particular warning light is on you will need to the get the vehicle inspected and repaired before taking it in for a smog test.

          If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. I post about consulting, personal finance, and Texas life.

          What to do if your car fails a smog test?

          If this particular warning light is on you will need to the get the vehicle inspected and repaired before taking it in for a smog test. In almost all circumstances, the vehicle will fail if the Check Engine Light is illuminated.

          What happens if you fail an emissions test?

          Nobody wants to fail an emissions or smog test: it means you have to figure out what caused the failure and get it fixed. Then you have to return for a re-test.

          Where can I test the Check Engine light?

          How important is that check engine light?

          Check Engine Light is an essential part of a vehicle’s OBD system. The onboard diagnostic system control as well as monitor your vehicle’s performance. This system controls variable such as fuel mixture, engine speed, and transmission functions.

          What does the service required light on your car mean?

          These warning lights are unrelated. The service required light just means the car is due for an oil change or other routine care. It is not an indicator of trouble like the check engine light is.

          What to do if your engine light is on on YouTube?

          Emission system Check. Engine light on! – YouTube Emission system Check. Engine light on! If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.

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Ruth Doyle