Why is your check engine light on your 2004 Avalon?

Cars & Vehicles
Check Engine Light

It is on because u did not put the cap back on tight enough.

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Why is your check engine light on all the time?

There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.

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Why is my check engine light on?

Your Check Engine Light may be indicating a simple problem that's easy to fix—such as a loose gas cap that needs to be replaced.A flashing Check Engine Light indicates that your vehicle's engine is in serious trouble, whereas a steadily lit one means less urgent service is needed.

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Check engine light 2004 chevy cavalier?

If you're asking what to do when the check engine light comes on; take it to your local auto parts store (Autozone, Oreilly, Napa, etc.) and have them connect an ODBII reader to your car. This will give you a code that they can also decrypt and let you know what is going on with your car.

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Why do your check engine light stay on?

have vehicle scanned to determine the problem

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Why do your check engine light keep coming on?

'Well I have a 95 Buick LeSabre, and the check engine light keeps coming on. So I asked a guy at car-x, and he said that usually occurs when you go really slow on the interstate.'

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How do you reset the check engine light on a 2006 Toyota Avalon?

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What does the check engine light mean on a Toyota Avalon?

These conditions mean you should pull over and shut off the engine as soon as you can find a safe place to do so.On some cars, a yellow "check engine" means investigate the problem, while a red "check engine" means stop right now.

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Why do your Toyota Avalon lights dim and surge?

Perhaps a weak battery? How old is battery?

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Why is my check engine light on but no codes?

One main reason that a check engine light comes on with no code being stored is that there is a software error.This is often the result of something being wrong with the OBD reader that the driver, parts store, or mechanic shop is using.Most frequently, the software errors stem from a low-level O...

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Why is my traction control and check engine light on?

The Traction Control Light indicates your car's traction control system is active.Traction control is necessary to maintain grip in slick conditions.Common signs include the Check Engine Light coming on, car braking inconsistently, and the traction control switch not depressing.

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2001 Pontiac Sunfire why is the check engine light on?

The Check Engine light is on because the computer has detected a problem with the emissions system. It may be nothing more than a loose gas cap or something more serious. You will need to get the computer scanned with an OBD2 scan tool. Some Auto Parts store will do this for free in some states. ...

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Why is the airbag and check engine light on?

There are a number of reasons why your airbag light has come on or is flashing. We will cover a few explanations that may help you identify where the problem may have originated from. First and foremost if the airbag light is on or flashing, the SRS system is inactive. Therefore, if you get into ...

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Why is check engine light on 2005 Hyundai elantra?

take it to autozone and they'll tell you fro free

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Why is my check engine light on Volkswagen?

VW Check Engine Light Flashing When your Volkswagen check engine light is flashing, means the onboard diagnostic system has detected a misfire.This is due to fuel not getting burned in the cylinder.This problem is typically caused by a bad spark plug or ignition coil.

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Why is my Mini Cooper check engine light on?

When you see the check engine light illuminated in your dash, it means your Mini Cooper has detected a problem within its OBD system.If the Mini engine light is flashing yellow or red, it is in your best interest to take it to an Independent Service Center for diagnosis right away.

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Why is my car shaking and check engine light on?

Check engine light flashing car shaking is a clear sign of trouble.Vibration or shaking may be caused by misfires, poor fuel pressure, or faulty spark plugs.You should also know that a defective idle air control valve might make the engine idle drop significantly.

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Why is my check engine light on and car shaking?

Check engine light flashing car shaking is a clear sign of trouble.Vibration or shaking may be caused by misfires, poor fuel pressure, or faulty spark plugs.You should also know that a defective idle air control valve might make the engine idle drop significantly.

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Why is my check engine and battery light on?

The battery light will come on if the charging system and battery voltage drops below a minimum set by the factory.The check engine light is letting you know that there is a problem that a code has been set in memory that can be diagnosed.Check the charging system and repair or replace the altern...

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Can AutoZone tell you why your check engine light is on?

Auto parts store.AutoZone is well known for doing free check engine light diagnostics.Also be aware that AutoZone is in the business of selling parts, not repairing cars, and while many of their staff are knowledgeable, they may not diagnose the problem correctly on the first try.

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Why Check engine light on why vibrating going in overdrive?

your engine might be overheated, causing the vibrations

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What does the check engine light on a 2004 VW golf mean?

As the vehicle is running the computer is constantly doing self tests & component tests. If any component is found to be out of the specified range it turns on the light to let you know. A common problem is a loose gas cap. If you don't find anything simple you need to get the car scanned and...

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How do you reset the check engine light on a 2004 Saturn Vue?

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Check light is on why?

check engine light means a problem with the emission system

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Why does check engine light keep coming on?

replace your gas cap first - cheepest try. i had a crack in a vacuum hose that made it keep coming on. You have an emssions problem of some sort. It may be the gas cap and could be many other things. Unless you are knowledgable, take it to a professional if a new gas cap does not fix it. BTW, a l...

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Why does the Check Engine Soon light stay on mean?

The check engine light is on because the ECM (Engine Control Module) detects a problem with the system. Until the problem is fixed the light will remain on. Your local auto parts store can scan your ECM and retrieve the code(s) to help analyze what the problem is in order to make corrective repai...

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Why would your check engine light come on after you had your torque converter changed in your 1999 300m Chrysler?

Something may not have been plugged in, have the system checked for codes to know possible causes.

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Will AutoZone check your check engine light for free?

Auto parts store.AutoZone is well known for doing free check engine light diagnostics.The process only takes a couple of minutes and they will provide you with a print out listing the troubleshooting code and diagnosis, a definition and explanation of the potential problem, and probable causes.

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Why is the check light coming on?

There are a number of reasons why a check light might be coming on in your car. Once the check engine light comes on it is important to get the car to a mechanic for diganoses.

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Why is check engine light blinkling on and off on 1996 mercury cougar?

If the check engine light is blinking that means that an engine cylindermisfire has been detected . You can drive it in for repair , just avoid anyrapid acceleration or deceleration because you can damage the catalyticconverter

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What does it mean when your car is shaking and the check engine light is on?

Check engine light flashing car shaking is a clear sign of trouble.Vibration or shaking may be caused by misfires, poor fuel pressure, or faulty spark plugs.You should also know that a defective idle air control valve might make the engine idle drop significantly.

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Why your check engine light usually turn off after having your gas filled up?

your gas cap is not sealing, put a new one on car it will stop

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Why is my check engine light flashing and car shaking?

Vibration or shaking may be caused by misfires, poor fuel pressure, or faulty spark plugs.A misfire always develops a disproportion in the motor, causing vibration or shaking.Another issue that may cause check engine light blinking car shaking is a broken engine mount.

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Why is the engine light coming on in your car?

It's not coming on in my car. I keep my car in good repair.---Update---It regularly means maintainence required.

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What makes check engine light come on?

For Cheverolet Aveo - the ignition coil is faulty and should be replaced togetherwith new spark plug cable. To start and run smoothly, recommends to change all spark plug to make it more healthy engine.

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What does it mean if your check engine light is on?

It means the ECM (Engine Control Module) has detected a fault in the system. Have your local auto parts store read the code(s) to determine what the next step should be. If the check engine light starts flashing it would be wise to shut the engine off as soon as possible and have it diagnosed.

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Why would a Air bag light came on along with a check engine light?

Crazy as it sounds it could be a voltage problem. You might get an abs light as well. Check the alt voltage for 13.5 or better. If its good you have a real problem and need to get a code reader.

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Is it safe to drive your car with the check engine light on?

If the check engine light comes on while you're driving, it can be unnerving.Don't panic, though.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.

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Is car safe to drive with check engine light on?

It really depends on what the cause of the check engine light is.

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Will check engine light come on if transmission is bad?

Transmission problems can cause the check engine light to come on as well, however it's not always as apparent as other components within the vehicle.This can result in a lack of engine power, or the transmission will not respond because there is a problem with it.

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Why is my check engine light on after my battery died?

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

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Why is the check engine light on when the scan does not return a code?

It is possible to mistake a Maintanence required light for a Check Engine like. One is a problem indicator, the other is merely a service reminder dummy light. Check your owner's manual to be sure it is not the dummy light.

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Why does the check engine oil level light stay on and the engine keeps cutting off?

Your oil compression is down probably... check the oil pan for rust and such.

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Will remote start work if Check Engine light is on?

If the 'Check Engine Light' or Malfunction Indicator Lamp (MIL) is illuminated, the remote start system will not work.Don't panic, one of the reasons the MIL can illuminate is due to a loose gas cap! Reseal the cap, restart the car, and retry step #1!

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Will vtec still work when check engine light is on?

VTEC may or may not work when the check engine light is on. It depends on why the check engine light is one. If it is on because of a problem with the VTEC system, then, no, it will not work properly.

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Check engine lights on when santro is starts already?

The check engine light (service engine soon) comes on and stays on when a problem is detected by the self diagnosis system of your vehicle. Generally, the problem is in the emissions or something that is affecting the effectiveness of the emissions, but other causes can trigger the light to come ...

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Is it safe to drive with check engine light on?

If the check engine light comes on while you're driving, it can be unnerving.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 pr...

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Will check engine light come on if gas is low?

yes.on some cars, refilling with the engine on (yes, people do that) is enough to set off an EVAP leak DTC which turns the check engine light on, because your fuel cap is off and engine is running.If you don't put your gas cap back on or you don't tighten it correctly or it fails, you can get a c...

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Why does the check engine light go on and off on a 2003 Harley?

Because there's an intermittent issue which needs to be addressed. You need to have the DTCs (fault codes) read to find out which codes you have, what your active codes are, what your inactive codes are, and how many counts of each fault you have.

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Why does my check engine light comes on and off on 1991 Honda Accord?

You check engine light is signaling to you that there is something wrong with you car. You should have your car looked at by a professional.

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Why does a check engine soon light comes on on a 95 Oldsmobile ciera sl?

That light can mean alot check your break fluid your car is over heating if you still have the manule look in the indexfor the check engine light it will tell you everpage that has to do with that light and what it means

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Why does your mercury villager check engine light flash 20 times?

Its trying to give you a trouble code to tell you whats wrong with the car. Take it to someone who has a code reader, such as an autoparts store or oilcan Henry's if you have one near you.

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Why does the check engine light come on your 2003 VW Passat 1.8T the codes can not identify the problem?

take it to a dealer or a qualified mechanic for a diagnostic

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2004 sentra 70k service engine light came on?

You need to have the OBD II trouble codes read. Some Parts stores will do this for free. They will give you a Letter and number series (usually a P (sometimes B, C, or U)). Example: they may pull a P0300, P0173, and P1173. Each code will give you a general idea of what system is malfunctioning. T...

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Can your check engine light go off by itself?

This light displays itself when the onboard computer system recognizes an electrical or mechanical problem with your vehicle.When the problem is fixed, the engine light does not always turn off.If it does not go off, then your engine has a problem.

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Why is the engine knocking on a 2004 Dodge Stratus?

check your oil for starters....

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1994 F250 and the check engine light is on what can you check?

usually a problem in the emission control system - have vehicle scanned to determine the problem

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What does it mean when your check engine light flashes?

There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.

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Check engine light is on 1995 Mitsubishi eclipse what should you check?

Might Be Yr running out of oil, or water levels are low.

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Why cant you turn off your trunk light on 2004 accent?

Because you should have bought a Chevy and not some P.O.S. slant eyed Hyundai.

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If your car needs a tune up will the check engine light come on?

The light could come on if you needed a tune up. Cars have sensors that will make the light come on for many different reasons, such as a misfire because the plugs or wires need replacing. It is best to check the code that caused the light to come on.

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Will a bad brake booster cause your check engine light to come on?

Stiff brake pedal However, if the pedal become stiff and the brake or service booster light is not illuminated, then that means the sensor is not picking up on the low vacuum levels and may be having a problem.

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Why would the reverse lights not work on your 2004 rodeo?

Either the bulbs are burned out or the switch that activates them is not working.Also maybe a bad fuse

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Check engin light codes?

Toyota engine code 402

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Why does my check engine light blink when I accelerate?

A blinking light usually indicates a severe engine misfire allowing unburned fuel to be dumped into the exhaust system.There it can quickly raise the temperature of the catalytic converter to a point where damage is likely, requiring an expensive repair.

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What does it mean when your car shakes and check engine light comes on?

Check engine light flashing car shaking is a clear sign of trouble.Vibration or shaking may be caused by misfires, poor fuel pressure, or faulty spark plugs.You should also know that a defective idle air control valve might make the engine idle drop significantly.

Read more

How serious is a check engine light?

Your Check Engine Light may be indicating a simple problem that's easy to fix—such as a loose gas cap that needs to be replaced.A flashing Check Engine Light indicates that your vehicle's engine is in serious trouble, whereas a steadily lit one means less urgent service is needed.

Read more

How urgent is the check engine light?

A steady check engine light is not as urgent.You still want to get your car in for a diagnostic inspection, but you can work it into your schedule.If a loose gas cap triggered the check engine light, it will reset after several trips.It may take a few days before the light cycles back off.

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Why did my check engine light turn off?

Reason #1 – A Loose or Faulty Gas Cap – Yes, surprisingly this can cause the Check Engine or Service Engine Soon light to come on.Start by taking the gas cap off and putting it back on.You'll then need to drive the vehicle a few times to get the Onboard Diagnostic (OBD) system to reset and turn t...

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Resetting check engine lights?

If you have a Schucks automotive store in your area, go there. They let you use their code reader for free. It reads the code(s). A sales person can then tell you what the codes mean. Afterwards, you can clear the codes using the code reader. If you don't have a Schucks in your area, I'd suggest ...

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What do you look for when the check engine light comes on your 2000 Honda Accord?

When the light comes on, your car has stored a trouble code. I would have the codes extracted(PEP BOYS/AUTO ZONE) to determine the problem.Sometimes it can be minor, but there can be 30+ different codes.

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What would make my Check engine soon light flash on your Ford 1999 E150?

Hey Ray!I think you should gchnae your blog name to TCMonthly or something like that! Remember the old Women's Day magazine that came out only once a week, then monthly. And the current Women's Weekly that is also just a monthly journal!Or maybe you could do a direct swap of Blog domain name with...

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Your 95 capris check engine light just came on what do you look for?

There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.

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Why would the check engine light come on in a 1999 Nissan Altima?

Bad sensor have it checked. Depending on the sensor you won't have any real problems for a while

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Why does the check engine light stay on on a 1999 subaerban when nothing is wrong with it?

the check engine light means you have something wrong with your emissions. it might be the two sensers on the exhaust pipe.

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What should you get checked if your check ingine light is on?

Have vehicle scanned to determine the problem - usually in the emission control system

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Why would a check engine light come on in a 1993 Isuzu trooper?

There is a problem with the emissions system. Make sure you gas cap is tight. If that is not the problem, I suggest you seek out professional help. It takes a progfessional to diagnois the problem.

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Why does the check engine light stay on in a 1999 osmobile silhouette?

The computer turns on the check engine light in hopes that you'll check the engine codes. It means something is wrong. Use an engine diagnostic scanner to find out what it is. It's easy to do and you can usually borrow one from your local auto parts retailer, they'll often help you figure out wha...

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Why would the check engine light come on because of the condenser?

The check engine light only comes on if the problem is emissions related, there is probable another problem. Find out what the code is, some parts stores check it for free.

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Why does the check engine light come on but the car still runs?

This condition is a "limp in" mode programed into your cars computer so that it still can be driven even thou a problem has been detected. In this mode the engine runs on preset program that does not require feedback from sensors on the engine to run. This "OPEN LOOP" mode does not update the com...

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Why would check engine light be on for a 1997 grand marquis?

make sure the gas cap is on all the way screw it on all the way and drive the car for awhile and maybe the light will go off

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Why doesn't the check engine light does not come on when I start my truck?

Evidently the bulb is blown out. It needs to be replaced.

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Why is your engine light on in your 95 ford explorer?

Your check engine light will come on if the powertrain control module has detected a malfunction with your emission control system - have the vehicle scanned for any trouble codes to diagnose and correct the problem

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Why does the check engine light go on for a 2003 trailbalazer?

Your check engine light could come on for many different reasons regarding the engine, trans axle, or electrical being of the car. But in most cases the light will come on if the car needs service(tune up change of oil, spark plugs, wires and sensors)... What I would do is go to an auto zone and ...

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Why does check engine light come on when electrical wires are hooked up for a trailer?

You need to have the wiring checked right away before you damage something in the computer control system. Someone has probably tapped into a wrong wire and until you know which wire was tapped into, you are risking damage to the vehicle's computer system. The check engine light is a computer t...

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Why did my check engine light come on after an oil change?

These lights can signal something serious or something as simple as a loose gas cap.Regardless, diagnosing the problem is key.One thing that won't trigger a check engine light: a recent oil change that was done correctly.If you notice the light after an oil change, something else is wrong.

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Whats causing check engine light to come on?

The check engine light usually comes on for an fuel/air emissions problem There are many sensors and devices in the system so there can be many causes - open gas cap, bad oxygen sensors, bad egr valve, bad mass airflow sensor, bad fuel pump, injector, etc, etc, etc. The airbag light goes on when ...

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Why is my engine malfunction light on?

The light could be a minor issue, such as a faulty gas cap, or it could mean something more serious, such as a misfiring engine.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.

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Why is the check engine on in my car?

because it needs to be checked by a mechanic to make sure it is working

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How to reset check engine light on 1997 jetta?

It is very easy to reset a check engine light on a 1997. The light can be reset by putting the restet tool into the diagnostic port. The diagnostic port is located right beside the hood release latch.

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Can alternator cause check engine light to come on?

A bad battery can cause problems in electrical and electronic parts, including the computer.It can even cause a "Check Engine" light.Next, test the alternator and pay close attention to the condition of its diodes.This can lead to rough shifting, performance problems, codes, and, yes, a "Check En...

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What can cause a check engine light to come on?

Your Check Engine Light may be indicating a simple problem that's easy to fix—such as a loose gas cap that needs to be replaced.A flashing Check Engine Light indicates that your vehicle's engine is in serious trouble, whereas a steadily lit one means less urgent service is needed.

Read more

2000 accord check engine light?

Usually a problem in the emission control system - have vehicle scanned to determine the problem

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My check engine light came on and speedometer stopped working?

Nope, bet it was the other way around... Your speedometer stopped working and your check engine light came on. A broken speedometer (don't know what car so I can't pinpoint it) will cause a whole bunch of codes.

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Can you pass emissions test with check engine light on?

In most cases, your car will pass unless the check-engine light is on when you pull into the test facility.After your car is repaired, the technician will erase the trouble codes from the computer.That's good because your car will fail the emissions retest if any trouble codes are present.

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What does the check engine light mean on a Volkswagen?

Reasons Why the VW Check Engine Light Turns On Fuel cap: Sometimes you'll notice the check engine light come on if your gas cap is missing or loose.Catalytic converter: Emissions issues, such as a problem with the catalytic converter, can also turn on the check engine light.

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Does check engine light go away on its own?

The computer for this year will not turn off the light on its own until the Check Engine Light is turned off using a scanner.Once the codes are cleared the Check Engine Light will go out as long as there is no more failures that would turn the light back on and set another code.

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What does check engine light mean on Honda Civic?

If your Honda check engine light stays on even after you start the engine, it means the On Board Diagnostic (OBD) system has detected a problem with the engine, transmission or the emission system.A steady light on means the problem is not very serious.

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Can a check engine light go off on its own?

This light displays itself when the onboard computer system recognizes an electrical or mechanical problem with your vehicle.When the problem is fixed, the engine light does not always turn off.If it does not go off, then your engine has a problem.

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What could cause the check engine light to come on?

The mass airflow sensor, or MAF sensor, calculates the amount of air that's coming into the engine so that the computer can add the right amount of fuel.A faulty MAF sensor could trigger the check engine light.It can also cause a car to experience impaired gas mileage, increased emissions or freq...

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Can you read codes without check engine light on?

Hi there.In short, yes; it's possible to diagnose a problem with a vehicle even if the check engine light does not illuminate.A professional mechanic would start by downloading any error codes store in your 2005 Ford Explorer's computer.

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